21106030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17443}}^1$

素因数の和:17472

約数の個数: 24

約数和(自身を含む): 41760936

約数和(自身を除く): 20654906

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17443, 34886, 87215, 174430, 191873, 383746, 959365, 1918730, 2110603, 4221206, 10553015, 21106030]

約数ペア:

[(1, 21106030), (2, 10553015), (5, 4221206), (10, 2110603), (11, 1918730), (22, 959365), (55, 383746), (110, 191873), (121, 174430), (242, 87215), (605, 34886), (1210, 17443)]