21393650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25169}}^1$

素因数の和:25198

約数の個数: 24

約数和(自身を含む): 42134580

約数和(自身を除く): 20740930

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25169, 50338, 125845, 251690, 427873, 629225, 855746, 1258450, 2139365, 4278730, 10696825, 21393650]

約数ペア:

[(1, 21393650), (2, 10696825), (5, 4278730), (10, 2139365), (17, 1258450), (25, 855746), (34, 629225), (50, 427873), (85, 251690), (170, 125845), (425, 50338), (850, 25169)]