21891906

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52879}}^1$

素因数の和:52910

約数の個数: 24

約数和(自身を含む): 49495680

約数和(自身を除く): 27603774

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52879, 105758, 158637, 317274, 475911, 951822, 1216217, 2432434, 3648651, 7297302, 10945953, 21891906]

約数ペア:

[(1, 21891906), (2, 10945953), (3, 7297302), (6, 3648651), (9, 2432434), (18, 1216217), (23, 951822), (46, 475911), (69, 317274), (138, 158637), (207, 105758), (414, 52879)]