21000591365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{199559}}^1$

素因数の和:201196

約数の個数: 16

約数和(自身を含む): 27156124800

約数和(自身を除く): 6155533435

約数列:

[1, 5, 13, 65, 1619, 8095, 21047, 105235, 199559, 997795, 2594267, 12971335, 323086021, 1615430105, 4200118273, 21000591365]

約数ペア:

[(1, 21000591365), (5, 4200118273), (13, 1615430105), (65, 323086021), (1619, 12971335), (8095, 2594267), (21047, 997795), (105235, 199559)]