21554580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359243}}^1$

素因数の和:359255

約数の個数: 24

約数和(自身を含む): 60352992

約数和(自身を除く): 38798412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359243, 718486, 1077729, 1436972, 1796215, 2155458, 3592430, 4310916, 5388645, 7184860, 10777290, 21554580]

約数ペア:

[(1, 21554580), (2, 10777290), (3, 7184860), (4, 5388645), (5, 4310916), (6, 3592430), (10, 2155458), (12, 1796215), (15, 1436972), (20, 1077729), (30, 718486), (60, 359243)]