21554556

素因数分解:

$2^2\times 3^1\times {\mathrm{503}}^1\times {\mathrm{3571}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 50408064

約数和(自身を除く): 28853508

約数列:

[1, 2, 3, 4, 6, 12, 503, 1006, 1509, 2012, 3018, 3571, 6036, 7142, 10713, 14284, 21426, 42852, 1796213, 3592426, 5388639, 7184852, 10777278, 21554556]

約数ペア:

[(1, 21554556), (2, 10777278), (3, 7184852), (4, 5388639), (6, 3592426), (12, 1796213), (503, 42852), (1006, 21426), (1509, 14284), (2012, 10713), (3018, 7142), (3571, 6036)]