21580690544

素因数分解:

$2^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{379}}^1\times {\mathrm{1231}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 49634323200

約数和(自身を除く): 28053632656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 98, 112, 118, 196, 236, 379, 392, 413, 472, 758, 784, 826, 944, 1231, 1516, 1652, 2462, 2653, 2891, 3032, 3304, 4924, 5306, 5782, 6064, 6608, 8617, 9848, 10612, 11564, 17234, 18571, 19696, 21224, 22361, 23128, 34468, 37142, 42448, 44722, 46256, 60319, 68936, 72629, 74284, 89444, 120638, 137872, 145258, 148568, 156527, 178888, 241276, 290516, 297136, 313054, 357776, 466549, 482552, 508403, 581032, 626108, 933098, 965104, 1016806, 1095689, 1162064, 1252216, 1866196, 2033612, 2191378, 2504432, 3265843, 3558821, 3732392, 4067224, 4382756, 6531686, 7117642, 7464784, 8134448, 8765512, 13063372, 14235284, 17531024, 22860901, 26126744, 27526391, 28470568, 45721802, 52253488, 55052782, 56941136, 91443604, 110105564, 182887208, 192684737, 220211128, 365774416, 385369474, 440422256, 770738948, 1348793159, 1541477896, 2697586318, 3082955792, 5395172636, 10790345272, 21580690544]

約数ペア:

[(1, 21580690544), (2, 10790345272), (4, 5395172636), (7, 3082955792), (8, 2697586318), (14, 1541477896), (16, 1348793159), (28, 770738948), (49, 440422256), (56, 385369474), (59, 365774416), (98, 220211128), (112, 192684737), (118, 182887208), (196, 110105564), (236, 91443604), (379, 56941136), (392, 55052782), (413, 52253488), (472, 45721802), (758, 28470568), (784, 27526391), (826, 26126744), (944, 22860901), (1231, 17531024), (1516, 14235284), (1652, 13063372), (2462, 8765512), (2653, 8134448), (2891, 7464784), (3032, 7117642), (3304, 6531686), (4924, 4382756), (5306, 4067224), (5782, 3732392), (6064, 3558821), (6608, 3265843), (8617, 2504432), (9848, 2191378), (10612, 2033612), (11564, 1866196), (17234, 1252216), (18571, 1162064), (19696, 1095689), (21224, 1016806), (22361, 965104), (23128, 933098), (34468, 626108), (37142, 581032), (42448, 508403), (44722, 482552), (46256, 466549), (60319, 357776), (68936, 313054), (72629, 297136), (74284, 290516), (89444, 241276), (120638, 178888), (137872, 156527), (145258, 148568)]