21699888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49009872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 29, 34, 42, 48, 51, 56, 58, 68, 84, 87, 102, 112, 116, 119, 131, 136, 168, 174, 203, 204, 232, 238, 262, 272, 336, 348, 357, 393, 406, 408, 464, 476, 493, 524, 609, 696, 714, 786, 812, 816, 917, 952, 986, 1048, 1218, 1392, 1428, 1479, 1572, 1624, 1834, 1904, 1972, 2096, 2227, 2436, 2751, 2856, 2958, 3144, 3248, 3451, 3668, 3799, 3944, 4454, 4872, 5502, 5712, 5916, 6288, 6681, 6902, 7336, 7598, 7888, 8908, 9744, 10353, 11004, 11397, 11832, 13362, 13804, 14672, 15196, 15589, 17816, 20706, 22008, 22794, 23664, 26593, 26724, 27608, 30392, 31178, 35632, 41412, 44016, 45588, 46767, 53186, 53448, 55216, 60784, 62356, 64583, 79779, 82824, 91176, 93534, 106372, 106896, 124712, 129166, 159558, 165648, 182352, 187068, 193749, 212744, 249424, 258332, 319116, 374136, 387498, 425488, 452081, 516664, 638232, 748272, 774996, 904162, 1033328, 1276464, 1356243, 1549992, 1808324, 2712486, 3099984, 3616648, 5424972, 7233296, 10849944, 21699888]

約数ペア:

[(1, 21699888), (2, 10849944), (3, 7233296), (4, 5424972), (6, 3616648), (7, 3099984), (8, 2712486), (12, 1808324), (14, 1549992), (16, 1356243), (17, 1276464), (21, 1033328), (24, 904162), (28, 774996), (29, 748272), (34, 638232), (42, 516664), (48, 452081), (51, 425488), (56, 387498), (58, 374136), (68, 319116), (84, 258332), (87, 249424), (102, 212744), (112, 193749), (116, 187068), (119, 182352), (131, 165648), (136, 159558), (168, 129166), (174, 124712), (203, 106896), (204, 106372), (232, 93534), (238, 91176), (262, 82824), (272, 79779), (336, 64583), (348, 62356), (357, 60784), (393, 55216), (406, 53448), (408, 53186), (464, 46767), (476, 45588), (493, 44016), (524, 41412), (609, 35632), (696, 31178), (714, 30392), (786, 27608), (812, 26724), (816, 26593), (917, 23664), (952, 22794), (986, 22008), (1048, 20706), (1218, 17816), (1392, 15589), (1428, 15196), (1479, 14672), (1572, 13804), (1624, 13362), (1834, 11832), (1904, 11397), (1972, 11004), (2096, 10353), (2227, 9744), (2436, 8908), (2751, 7888), (2856, 7598), (2958, 7336), (3144, 6902), (3248, 6681), (3451, 6288), (3668, 5916), (3799, 5712), (3944, 5502), (4454, 4872)]