21037589715

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26462377}}^1$

素因数の和:26462438

約数の個数: 16

約数和(自身を含む): 34295241888

約数和(自身を除く): 13257652173

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 26462377, 79387131, 132311885, 396935655, 1402505981, 4207517943, 7012529905, 21037589715]

約数ペア:

[(1, 21037589715), (3, 7012529905), (5, 4207517943), (15, 1402505981), (53, 396935655), (159, 132311885), (265, 79387131), (795, 26462377)]