21496486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51427}}^1$

素因数の和:51459

約数の個数: 16

約数和(自身を含む): 37028160

約数和(自身を除く): 15531674

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51427, 102854, 565697, 977113, 1131394, 1954226, 10748243, 21496486]

約数ペア:

[(1, 21496486), (2, 10748243), (11, 1954226), (19, 1131394), (22, 977113), (38, 565697), (209, 102854), (418, 51427)]