21196914

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 43281216

約数和(自身を除く): 22084302

約数列:

[1, 2, 3, 6, 107, 137, 214, 241, 274, 321, 411, 482, 642, 723, 822, 1446, 14659, 25787, 29318, 33017, 43977, 51574, 66034, 77361, 87954, 99051, 154722, 198102, 3532819, 7065638, 10598457, 21196914]

約数ペア:

[(1, 21196914), (2, 10598457), (3, 7065638), (6, 3532819), (107, 198102), (137, 154722), (214, 99051), (241, 87954), (274, 77361), (321, 66034), (411, 51574), (482, 43977), (642, 33017), (723, 29318), (822, 25787), (1446, 14659)]