21206028

素因数分解:

$2^2\times 3^1\times {\mathrm{811}}^1\times {\mathrm{2179}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 49564480

約数和(自身を除く): 28358452

約数列:

[1, 2, 3, 4, 6, 12, 811, 1622, 2179, 2433, 3244, 4358, 4866, 6537, 8716, 9732, 13074, 26148, 1767169, 3534338, 5301507, 7068676, 10603014, 21206028]

約数ペア:

[(1, 21206028), (2, 10603014), (3, 7068676), (4, 5301507), (6, 3534338), (12, 1767169), (811, 26148), (1622, 13074), (2179, 9732), (2433, 8716), (3244, 6537), (4358, 4866)]