21312544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 24845792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 317, 352, 382, 634, 764, 1268, 1528, 2101, 2536, 3056, 3487, 4202, 5072, 6112, 6974, 8404, 10144, 13948, 16808, 27896, 33616, 55792, 60547, 67232, 111584, 121094, 242188, 484376, 666017, 968752, 1332034, 1937504, 2664068, 5328136, 10656272, 21312544]

約数ペア:

[(1, 21312544), (2, 10656272), (4, 5328136), (8, 2664068), (11, 1937504), (16, 1332034), (22, 968752), (32, 666017), (44, 484376), (88, 242188), (176, 121094), (191, 111584), (317, 67232), (352, 60547), (382, 55792), (634, 33616), (764, 27896), (1268, 16808), (1528, 13948), (2101, 10144), (2536, 8404), (3056, 6974), (3487, 6112), (4202, 5072)]