21523555712

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:496

約数の個数: 128

約数和(自身を含む): 44495827200

約数和(自身を除く): 22972271488

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 101, 128, 131, 142, 179, 202, 262, 284, 358, 404, 524, 568, 716, 808, 1048, 1136, 1432, 1616, 2096, 2272, 2864, 3232, 4192, 4544, 5728, 6464, 7171, 8384, 9088, 9301, 11456, 12709, 12928, 13231, 14342, 16768, 18079, 18602, 22912, 23449, 25418, 26462, 28684, 36158, 37204, 46898, 50836, 52924, 57368, 72316, 74408, 93796, 101672, 105848, 114736, 144632, 148816, 187592, 203344, 211696, 229472, 289264, 297632, 375184, 406688, 423392, 458944, 578528, 595264, 750368, 813376, 846784, 917888, 939401, 1157056, 1190528, 1283609, 1500736, 1626752, 1664879, 1693568, 1878802, 2314112, 2368349, 2567218, 3001472, 3329758, 3757604, 4736698, 5134436, 6659516, 7515208, 9473396, 10268872, 13319032, 15030416, 18946792, 20537744, 26638064, 30060832, 37893584, 41075488, 53276128, 60121664, 75787168, 82150976, 106552256, 120243328, 151574336, 164301952, 168152779, 213104512, 303148672, 336305558, 672611116, 1345222232, 2690444464, 5380888928, 10761777856, 21523555712]

約数ペア:

[(1, 21523555712), (2, 10761777856), (4, 5380888928), (8, 2690444464), (16, 1345222232), (32, 672611116), (64, 336305558), (71, 303148672), (101, 213104512), (128, 168152779), (131, 164301952), (142, 151574336), (179, 120243328), (202, 106552256), (262, 82150976), (284, 75787168), (358, 60121664), (404, 53276128), (524, 41075488), (568, 37893584), (716, 30060832), (808, 26638064), (1048, 20537744), (1136, 18946792), (1432, 15030416), (1616, 13319032), (2096, 10268872), (2272, 9473396), (2864, 7515208), (3232, 6659516), (4192, 5134436), (4544, 4736698), (5728, 3757604), (6464, 3329758), (7171, 3001472), (8384, 2567218), (9088, 2368349), (9301, 2314112), (11456, 1878802), (12709, 1693568), (12928, 1664879), (13231, 1626752), (14342, 1500736), (16768, 1283609), (18079, 1190528), (18602, 1157056), (22912, 939401), (23449, 917888), (25418, 846784), (26462, 813376), (28684, 750368), (36158, 595264), (37204, 578528), (46898, 458944), (50836, 423392), (52924, 406688), (57368, 375184), (72316, 297632), (74408, 289264), (93796, 229472), (101672, 211696), (105848, 203344), (114736, 187592), (144632, 148816)]