21212396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8431}}^1$

素因数の和:8489

約数の個数: 24

約数和(自身を含む): 40372416

約数和(自身を除く): 19160020

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8431, 16862, 33724, 143327, 286654, 311947, 573308, 623894, 1247788, 5303099, 10606198, 21212396]

約数ペア:

[(1, 21212396), (2, 10606198), (4, 5303099), (17, 1247788), (34, 623894), (37, 573308), (68, 311947), (74, 286654), (148, 143327), (629, 33724), (1258, 16862), (2516, 8431)]