21557430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239527}}^1$

素因数の和:239540

約数の個数: 24

約数和(自身を含む): 56049552

約数和(自身を除く): 34492122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239527, 479054, 718581, 1197635, 1437162, 2155743, 2395270, 3592905, 4311486, 7185810, 10778715, 21557430]

約数ペア:

[(1, 21557430), (2, 10778715), (3, 7185810), (5, 4311486), (6, 3592905), (9, 2395270), (10, 2155743), (15, 1437162), (18, 1197635), (30, 718581), (45, 479054), (90, 239527)]