21027270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63719}}^1$

素因数の和:63740

約数の個数: 32

約数和(自身を含む): 55054080

約数和(自身を除く): 34026810

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63719, 127438, 191157, 318595, 382314, 637190, 700909, 955785, 1401818, 1911570, 2102727, 3504545, 4205454, 7009090, 10513635, 21027270]

約数ペア:

[(1, 21027270), (2, 10513635), (3, 7009090), (5, 4205454), (6, 3504545), (10, 2102727), (11, 1911570), (15, 1401818), (22, 955785), (30, 700909), (33, 637190), (55, 382314), (66, 318595), (110, 191157), (165, 127438), (330, 63719)]