21208258192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 47696947200

約数和(自身を除く): 26488689008

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 47, 58, 88, 94, 116, 176, 188, 211, 232, 319, 376, 419, 422, 464, 517, 638, 752, 838, 844, 1034, 1276, 1363, 1676, 1688, 2068, 2321, 2552, 2726, 3352, 3376, 4136, 4609, 4642, 5104, 5452, 6119, 6704, 8272, 9218, 9284, 9917, 10904, 12151, 12238, 14993, 18436, 18568, 19693, 19834, 21808, 24302, 24476, 29986, 36872, 37136, 39386, 39668, 48604, 48952, 59972, 67309, 73744, 78772, 79336, 88409, 97208, 97904, 109087, 119944, 133661, 134618, 157544, 158672, 176818, 194416, 216623, 218174, 239888, 267322, 269236, 287593, 315088, 353636, 433246, 436348, 534644, 538472, 571097, 575186, 707272, 866492, 872696, 972499, 1069288, 1076944, 1142194, 1150372, 1414544, 1732984, 1745392, 1944998, 2138576, 2284388, 2300744, 2563861, 3163523, 3465968, 3889996, 4155223, 4568776, 4601488, 5127722, 6282067, 6327046, 7779992, 8310446, 9137552, 10255444, 12564134, 12654092, 15559984, 16620892, 20510888, 25128268, 25308184, 28202471, 33241784, 41021776, 45707453, 50256536, 50616368, 56404942, 66483568, 91414906, 100513072, 112809884, 120501467, 182829812, 225619768, 241002934, 365659624, 451239536, 482005868, 731319248, 964011736, 1325516137, 1928023472, 2651032274, 5302064548, 10604129096, 21208258192]

約数ペア:

[(1, 21208258192), (2, 10604129096), (4, 5302064548), (8, 2651032274), (11, 1928023472), (16, 1325516137), (22, 964011736), (29, 731319248), (44, 482005868), (47, 451239536), (58, 365659624), (88, 241002934), (94, 225619768), (116, 182829812), (176, 120501467), (188, 112809884), (211, 100513072), (232, 91414906), (319, 66483568), (376, 56404942), (419, 50616368), (422, 50256536), (464, 45707453), (517, 41021776), (638, 33241784), (752, 28202471), (838, 25308184), (844, 25128268), (1034, 20510888), (1276, 16620892), (1363, 15559984), (1676, 12654092), (1688, 12564134), (2068, 10255444), (2321, 9137552), (2552, 8310446), (2726, 7779992), (3352, 6327046), (3376, 6282067), (4136, 5127722), (4609, 4601488), (4642, 4568776), (5104, 4155223), (5452, 3889996), (6119, 3465968), (6704, 3163523), (8272, 2563861), (9218, 2300744), (9284, 2284388), (9917, 2138576), (10904, 1944998), (12151, 1745392), (12238, 1732984), (14993, 1414544), (18436, 1150372), (18568, 1142194), (19693, 1076944), (19834, 1069288), (21808, 972499), (24302, 872696), (24476, 866492), (29986, 707272), (36872, 575186), (37136, 571097), (39386, 538472), (39668, 534644), (48604, 436348), (48952, 433246), (59972, 353636), (67309, 315088), (73744, 287593), (78772, 269236), (79336, 267322), (88409, 239888), (97208, 218174), (97904, 216623), (109087, 194416), (119944, 176818), (133661, 158672), (134618, 157544)]