21090450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{140603}}^1$

素因数の和:140618

約数の個数: 24

約数和(自身を含む): 52304688

約数和(自身を除く): 31214238

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 140603, 281206, 421809, 703015, 843618, 1406030, 2109045, 3515075, 4218090, 7030150, 10545225, 21090450]

約数ペア:

[(1, 21090450), (2, 10545225), (3, 7030150), (5, 4218090), (6, 3515075), (10, 2109045), (15, 1406030), (25, 843618), (30, 703015), (50, 421809), (75, 281206), (150, 140603)]