21971384568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:959

約数の個数: 256

約数和(自身を含む): 70963200000

約数和(自身を除く): 48991815432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 79, 84, 108, 126, 158, 168, 189, 216, 237, 252, 316, 378, 419, 439, 474, 504, 553, 632, 711, 756, 838, 878, 948, 1106, 1257, 1317, 1422, 1512, 1659, 1676, 1756, 1896, 2133, 2212, 2514, 2634, 2844, 2933, 3073, 3318, 3352, 3512, 3771, 3951, 4266, 4424, 4977, 5028, 5268, 5688, 5866, 6146, 6636, 7542, 7902, 8532, 8799, 9219, 9954, 10056, 10536, 11313, 11732, 11853, 12292, 13272, 14931, 15084, 15804, 17064, 17598, 18438, 19908, 22626, 23464, 23706, 24584, 26397, 27657, 29862, 30168, 31608, 33101, 34681, 35196, 36876, 39816, 45252, 47412, 52794, 55314, 59724, 66202, 69362, 70392, 73752, 79191, 82971, 90504, 94824, 99303, 104043, 105588, 110628, 119448, 132404, 138724, 158382, 165942, 183941, 198606, 208086, 211176, 221256, 231707, 242767, 264808, 277448, 297909, 312129, 316764, 331884, 367882, 397212, 416172, 463414, 485534, 551823, 595818, 624258, 633528, 663768, 695121, 728301, 735764, 794424, 832344, 893727, 926828, 936387, 971068, 1103646, 1191636, 1248516, 1287587, 1390242, 1456602, 1471528, 1655469, 1787454, 1853656, 1872774, 1942136, 2085363, 2184903, 2207292, 2383272, 2497032, 2575174, 2780484, 2913204, 3310938, 3574908, 3745548, 3862761, 4170726, 4369806, 4414584, 4966407, 5150348, 5560968, 5826408, 6256089, 6554709, 6621876, 7149816, 7491096, 7725522, 8341452, 8739612, 9932814, 10300696, 11588283, 12512178, 13109418, 13243752, 14531339, 15451044, 16682904, 17479224, 19865628, 23176566, 25024356, 26218836, 29062678, 30902088, 34764849, 39731256, 43594017, 46353132, 50048712, 52437672, 58125356, 69529698, 87188034, 92706264, 101719373, 116250712, 130782051, 139059396, 174376068, 203438746, 261564102, 278118792, 305158119, 348752136, 392346153, 406877492, 523128204, 610316238, 784692306, 813754984, 915474357, 1046256408, 1220632476, 1569384612, 1830948714, 2441264952, 2746423071, 3138769224, 3661897428, 5492846142, 7323794856, 10985692284, 21971384568]

約数ペア:

[(1, 21971384568), (2, 10985692284), (3, 7323794856), (4, 5492846142), (6, 3661897428), (7, 3138769224), (8, 2746423071), (9, 2441264952), (12, 1830948714), (14, 1569384612), (18, 1220632476), (21, 1046256408), (24, 915474357), (27, 813754984), (28, 784692306), (36, 610316238), (42, 523128204), (54, 406877492), (56, 392346153), (63, 348752136), (72, 305158119), (79, 278118792), (84, 261564102), (108, 203438746), (126, 174376068), (158, 139059396), (168, 130782051), (189, 116250712), (216, 101719373), (237, 92706264), (252, 87188034), (316, 69529698), (378, 58125356), (419, 52437672), (439, 50048712), (474, 46353132), (504, 43594017), (553, 39731256), (632, 34764849), (711, 30902088), (756, 29062678), (838, 26218836), (878, 25024356), (948, 23176566), (1106, 19865628), (1257, 17479224), (1317, 16682904), (1422, 15451044), (1512, 14531339), (1659, 13243752), (1676, 13109418), (1756, 12512178), (1896, 11588283), (2133, 10300696), (2212, 9932814), (2514, 8739612), (2634, 8341452), (2844, 7725522), (2933, 7491096), (3073, 7149816), (3318, 6621876), (3352, 6554709), (3512, 6256089), (3771, 5826408), (3951, 5560968), (4266, 5150348), (4424, 4966407), (4977, 4414584), (5028, 4369806), (5268, 4170726), (5688, 3862761), (5866, 3745548), (6146, 3574908), (6636, 3310938), (7542, 2913204), (7902, 2780484), (8532, 2575174), (8799, 2497032), (9219, 2383272), (9954, 2207292), (10056, 2184903), (10536, 2085363), (11313, 1942136), (11732, 1872774), (11853, 1853656), (12292, 1787454), (13272, 1655469), (14931, 1471528), (15084, 1456602), (15804, 1390242), (17064, 1287587), (17598, 1248516), (18438, 1191636), (19908, 1103646), (22626, 971068), (23464, 936387), (23706, 926828), (24584, 893727), (26397, 832344), (27657, 794424), (29862, 735764), (30168, 728301), (31608, 695121), (33101, 663768), (34681, 633528), (35196, 624258), (36876, 595818), (39816, 551823), (45252, 485534), (47412, 463414), (52794, 416172), (55314, 397212), (59724, 367882), (66202, 331884), (69362, 316764), (70392, 312129), (73752, 297909), (79191, 277448), (82971, 264808), (90504, 242767), (94824, 231707), (99303, 221256), (104043, 211176), (105588, 208086), (110628, 198606), (119448, 183941), (132404, 165942), (138724, 158382)]