21207364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8429}}^1$

素因数の和:8487

約数の個数: 24

約数和(自身を含む): 40362840

約数和(自身を除く): 19155476

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8429, 16858, 33716, 143293, 286586, 311873, 573172, 623746, 1247492, 5301841, 10603682, 21207364]

約数ペア:

[(1, 21207364), (2, 10603682), (4, 5301841), (17, 1247492), (34, 623746), (37, 573172), (68, 311873), (74, 286586), (148, 143293), (629, 33716), (1258, 16858), (2516, 8429)]