21260760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177173}}^1$

素因数の和:177187

約数の個数: 32

約数和(自身を含む): 63782640

約数和(自身を除く): 42521880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177173, 354346, 531519, 708692, 885865, 1063038, 1417384, 1771730, 2126076, 2657595, 3543460, 4252152, 5315190, 7086920, 10630380, 21260760]

約数ペア:

[(1, 21260760), (2, 10630380), (3, 7086920), (4, 5315190), (5, 4252152), (6, 3543460), (8, 2657595), (10, 2126076), (12, 1771730), (15, 1417384), (20, 1063038), (24, 885865), (30, 708692), (40, 531519), (60, 354346), (120, 177173)]