21053150

素因数分解:

$2^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1601}}^1$

素因数の和:1876

約数の個数: 24

約数和(自身を含む): 39332304

約数和(自身を除く): 18279154

約数列:

[1, 2, 5, 10, 25, 50, 263, 526, 1315, 1601, 2630, 3202, 6575, 8005, 13150, 16010, 40025, 80050, 421063, 842126, 2105315, 4210630, 10526575, 21053150]

約数ペア:

[(1, 21053150), (2, 10526575), (5, 4210630), (10, 2105315), (25, 842126), (50, 421063), (263, 80050), (526, 40025), (1315, 16010), (1601, 13150), (2630, 8005), (3202, 6575)]