21901860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40559}}^1$

素因数の和:40577

約数の個数: 48

約数和(自身を含む): 68140800

約数和(自身を除く): 46238940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40559, 81118, 121677, 162236, 202795, 243354, 365031, 405590, 486708, 608385, 730062, 811180, 1095093, 1216770, 1460124, 1825155, 2190186, 2433540, 3650310, 4380372, 5475465, 7300620, 10950930, 21901860]

約数ペア:

[(1, 21901860), (2, 10950930), (3, 7300620), (4, 5475465), (5, 4380372), (6, 3650310), (9, 2433540), (10, 2190186), (12, 1825155), (15, 1460124), (18, 1216770), (20, 1095093), (27, 811180), (30, 730062), (36, 608385), (45, 486708), (54, 405590), (60, 365031), (90, 243354), (108, 202795), (135, 162236), (180, 121677), (270, 81118), (540, 40559)]