21105090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78167}}^1$

素因数の和:78183

約数の個数: 32

約数和(自身を含む): 56280960

約数和(自身を除く): 35175870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78167, 156334, 234501, 390835, 469002, 703503, 781670, 1172505, 1407006, 2110509, 2345010, 3517515, 4221018, 7035030, 10552545, 21105090]

約数ペア:

[(1, 21105090), (2, 10552545), (3, 7035030), (5, 4221018), (6, 3517515), (9, 2345010), (10, 2110509), (15, 1407006), (18, 1172505), (27, 781670), (30, 703503), (45, 469002), (54, 390835), (90, 234501), (135, 156334), (270, 78167)]