21870362

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 33495360

約数和(自身を除く): 11624998

約数列:

[1, 2, 73, 146, 163, 326, 919, 1838, 11899, 23798, 67087, 134174, 149797, 299594, 10935181, 21870362]

約数ペア:

[(1, 21870362), (2, 10935181), (73, 299594), (146, 149797), (163, 134174), (326, 67087), (919, 23798), (1838, 11899)]