21053460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350891}}^1$

素因数の和:350903

約数の個数: 24

約数和(自身を含む): 58949856

約数和(自身を除く): 37896396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350891, 701782, 1052673, 1403564, 1754455, 2105346, 3508910, 4210692, 5263365, 7017820, 10526730, 21053460]

約数ペア:

[(1, 21053460), (2, 10526730), (3, 7017820), (4, 5263365), (5, 4210692), (6, 3508910), (10, 2105346), (12, 1754455), (15, 1403564), (20, 1052673), (30, 701782), (60, 350891)]