21318630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710621}}^1$

素因数の和:710631

約数の個数: 16

約数和(自身を含む): 51164784

約数和(自身を除く): 29846154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710621, 1421242, 2131863, 3553105, 4263726, 7106210, 10659315, 21318630]

約数ペア:

[(1, 21318630), (2, 10659315), (3, 7106210), (5, 4263726), (6, 3553105), (10, 2131863), (15, 1421242), (30, 710621)]