21151736

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1093}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 41353200

約数和(自身を除く): 20201464

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 1093, 2186, 2419, 4372, 4838, 8744, 9676, 19352, 44813, 64487, 89626, 128974, 179252, 257948, 358504, 515896, 2643967, 5287934, 10575868, 21151736]

約数ペア:

[(1, 21151736), (2, 10575868), (4, 5287934), (8, 2643967), (41, 515896), (59, 358504), (82, 257948), (118, 179252), (164, 128974), (236, 89626), (328, 64487), (472, 44813), (1093, 19352), (2186, 9676), (2419, 8744), (4372, 4838)]