21405270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{713509}}^1$

素因数の和:713519

約数の個数: 16

約数和(自身を含む): 51372720

約数和(自身を除く): 29967450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 713509, 1427018, 2140527, 3567545, 4281054, 7135090, 10702635, 21405270]

約数ペア:

[(1, 21405270), (2, 10702635), (3, 7135090), (5, 4281054), (6, 3567545), (10, 2140527), (15, 1427018), (30, 713509)]