21910606921

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{2633}}^1\times {\mathrm{20149}}^1$

素因数の和:22848

約数の個数: 16

約数和(自身を含む): 25476048000

約数和(自身を除く): 3565441079

約数列:

[1, 7, 59, 413, 2633, 18431, 20149, 141043, 155347, 1087429, 1188791, 8321537, 53052317, 371366219, 3130086703, 21910606921]

約数ペア:

[(1, 21910606921), (7, 3130086703), (59, 371366219), (413, 53052317), (2633, 8321537), (18431, 1188791), (20149, 1087429), (141043, 155347)]