21082860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117127}}^1$

素因数の和:117142

約数の個数: 36

約数和(自身を含む): 63951888

約数和(自身を除く): 42869028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117127, 234254, 351381, 468508, 585635, 702762, 1054143, 1171270, 1405524, 1756905, 2108286, 2342540, 3513810, 4216572, 5270715, 7027620, 10541430, 21082860]

約数ペア:

[(1, 21082860), (2, 10541430), (3, 7027620), (4, 5270715), (5, 4216572), (6, 3513810), (9, 2342540), (10, 2108286), (12, 1756905), (15, 1405524), (18, 1171270), (20, 1054143), (30, 702762), (36, 585635), (45, 468508), (60, 351381), (90, 234254), (180, 117127)]