21167280296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139258423}}^1$

素因数の和:139258448

約数の個数: 16

約数和(自身を含む): 41777527200

約数和(自身を除く): 20610246904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139258423, 278516846, 557033692, 1114067384, 2645910037, 5291820074, 10583640148, 21167280296]

約数ペア:

[(1, 21167280296), (2, 10583640148), (4, 5291820074), (8, 2645910037), (19, 1114067384), (38, 557033692), (76, 278516846), (152, 139258423)]