21421228031

素因数分解:

$7^2\times {\mathrm{331}}^1\times {\mathrm{1320749}}^1$

素因数の和:1321094

約数の個数: 12

約数和(自身を含む): 24993873000

約数和(自身を除く): 3572644969

約数列:

[1, 7, 49, 331, 2317, 16219, 1320749, 9245243, 64716701, 437167919, 3060175433, 21421228031]

約数ペア:

[(1, 21421228031), (7, 3060175433), (49, 437167919), (331, 64716701), (2317, 9245243), (16219, 1320749)]