21050498

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2719}}^1$

素因数の和:2814

約数の個数: 24

約数和(自身を含む): 37209600

約数和(自身を除く): 16159102

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2719, 3871, 5438, 7742, 19033, 38066, 133231, 214801, 266462, 429602, 1503607, 3007214, 10525249, 21050498]

約数ペア:

[(1, 21050498), (2, 10525249), (7, 3007214), (14, 1503607), (49, 429602), (79, 266462), (98, 214801), (158, 133231), (553, 38066), (1106, 19033), (2719, 7742), (3871, 5438)]