21131172

素因数分解:

$2^2\times 3^3\times {\mathrm{195659}}^1$

素因数の和:195672

約数の個数: 24

約数和(自身を含む): 54784800

約数和(自身を除く): 33653628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 195659, 391318, 586977, 782636, 1173954, 1760931, 2347908, 3521862, 5282793, 7043724, 10565586, 21131172]

約数ペア:

[(1, 21131172), (2, 10565586), (3, 7043724), (4, 5282793), (6, 3521862), (9, 2347908), (12, 1760931), (18, 1173954), (27, 782636), (36, 586977), (54, 391318), (108, 195659)]