21856020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364267}}^1$

素因数の和:364279

約数の個数: 24

約数和(自身を含む): 61197024

約数和(自身を除く): 39341004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364267, 728534, 1092801, 1457068, 1821335, 2185602, 3642670, 4371204, 5464005, 7285340, 10928010, 21856020]

約数ペア:

[(1, 21856020), (2, 10928010), (3, 7285340), (4, 5464005), (5, 4371204), (6, 3642670), (10, 2185602), (12, 1821335), (15, 1457068), (20, 1092801), (30, 728534), (60, 364267)]