21782367

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 32842368

約数和(自身を除く): 11060001

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 773, 909, 2319, 3131, 6957, 9393, 23963, 28179, 71889, 78073, 215667, 234219, 702657, 2420263, 7260789, 21782367]

約数ペア:

[(1, 21782367), (3, 7260789), (9, 2420263), (31, 702657), (93, 234219), (101, 215667), (279, 78073), (303, 71889), (773, 28179), (909, 23963), (2319, 9393), (3131, 6957)]