21156338

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3659}}^1$

素因数の和:3734

約数の個数: 24

約数和(自身を含む): 37551600

約数和(自身を除く): 16395262

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3659, 5782, 7318, 25613, 51226, 179291, 215881, 358582, 431762, 1511167, 3022334, 10578169, 21156338]

約数ペア:

[(1, 21156338), (2, 10578169), (7, 3022334), (14, 1511167), (49, 431762), (59, 358582), (98, 215881), (118, 179291), (413, 51226), (826, 25613), (2891, 7318), (3659, 5782)]