21729810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3163}}^1$

素因数の和:3402

約数の個数: 32

約数和(自身を含む): 52395840

約数和(自身を除く): 30666030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 3163, 3435, 6326, 6870, 9489, 15815, 18978, 31630, 47445, 94890, 724327, 1448654, 2172981, 3621635, 4345962, 7243270, 10864905, 21729810]

約数ペア:

[(1, 21729810), (2, 10864905), (3, 7243270), (5, 4345962), (6, 3621635), (10, 2172981), (15, 1448654), (30, 724327), (229, 94890), (458, 47445), (687, 31630), (1145, 18978), (1374, 15815), (2290, 9489), (3163, 6870), (3435, 6326)]