21080490774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501916447}}^1$

素因数の和:501916459

約数の個数: 16

約数和(自身を含む): 48183979008

約数和(自身を除く): 27103488234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501916447, 1003832894, 1505749341, 3011498682, 3513415129, 7026830258, 10540245387, 21080490774]

約数ペア:

[(1, 21080490774), (2, 10540245387), (3, 7026830258), (6, 3513415129), (7, 3011498682), (14, 1505749341), (21, 1003832894), (42, 501916447)]