21765338

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18151462

約数列:

[1, 2, 7, 14, 17, 34, 109, 119, 218, 238, 763, 839, 1526, 1678, 1853, 3706, 5873, 11746, 12971, 14263, 25942, 28526, 91451, 99841, 182902, 199682, 640157, 1280314, 1554667, 3109334, 10882669, 21765338]

約数ペア:

[(1, 21765338), (2, 10882669), (7, 3109334), (14, 1554667), (17, 1280314), (34, 640157), (109, 199682), (119, 182902), (218, 99841), (238, 91451), (763, 28526), (839, 25942), (1526, 14263), (1678, 12971), (1853, 11746), (3706, 5873)]