21016938122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{623537}}^1$

素因数の和:624445

約数の個数: 16

約数和(自身を含む): 33222104640

約数和(自身を除く): 12205166518

約数列:

[1, 2, 19, 38, 887, 1774, 16853, 33706, 623537, 1247074, 11847203, 23694406, 553077319, 1106154638, 10508469061, 21016938122]

約数ペア:

[(1, 21016938122), (2, 10508469061), (19, 1106154638), (38, 553077319), (887, 23694406), (1774, 11847203), (16853, 1247074), (33706, 623537)]