21757888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 47091600

約数和(自身を除く): 25333712

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 551, 608, 617, 928, 1102, 1216, 1234, 1856, 2204, 2468, 4408, 4936, 8816, 9872, 11723, 17632, 17893, 19744, 23446, 35264, 35786, 39488, 46892, 71572, 93784, 143144, 187568, 286288, 339967, 375136, 572576, 679934, 750272, 1145152, 1359868, 2719736, 5439472, 10878944, 21757888]

約数ペア:

[(1, 21757888), (2, 10878944), (4, 5439472), (8, 2719736), (16, 1359868), (19, 1145152), (29, 750272), (32, 679934), (38, 572576), (58, 375136), (64, 339967), (76, 286288), (116, 187568), (152, 143144), (232, 93784), (304, 71572), (464, 46892), (551, 39488), (608, 35786), (617, 35264), (928, 23446), (1102, 19744), (1216, 17893), (1234, 17632), (1856, 11723), (2204, 9872), (2468, 8816), (4408, 4936)]