21050175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12203}}^1$

素因数の和:12239

約数の個数: 24

約数和(自身を含む): 36319104

約数和(自身を除く): 15268929

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12203, 36609, 61015, 183045, 280669, 305075, 842007, 915225, 1403345, 4210035, 7016725, 21050175]

約数ペア:

[(1, 21050175), (3, 7016725), (5, 4210035), (15, 1403345), (23, 915225), (25, 842007), (69, 305075), (75, 280669), (115, 183045), (345, 61015), (575, 36609), (1725, 12203)]