21316020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32297}}^1$

素因数の和:32320

約数の個数: 48

約数和(自身を含む): 65112768

約数和(自身を除く): 43796748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32297, 64594, 96891, 129188, 161485, 193782, 322970, 355267, 387564, 484455, 645940, 710534, 968910, 1065801, 1421068, 1776335, 1937820, 2131602, 3552670, 4263204, 5329005, 7105340, 10658010, 21316020]

約数ペア:

[(1, 21316020), (2, 10658010), (3, 7105340), (4, 5329005), (5, 4263204), (6, 3552670), (10, 2131602), (11, 1937820), (12, 1776335), (15, 1421068), (20, 1065801), (22, 968910), (30, 710534), (33, 645940), (44, 484455), (55, 387564), (60, 355267), (66, 322970), (110, 193782), (132, 161485), (165, 129188), (220, 96891), (330, 64594), (660, 32297)]