21996345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29927}}^1$

素因数の和:29949

約数の個数: 24

約数和(自身を含む): 40941504

約数和(自身を除く): 18945159

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29927, 89781, 149635, 209489, 448905, 628467, 1047445, 1466423, 3142335, 4399269, 7332115, 21996345]

約数ペア:

[(1, 21996345), (3, 7332115), (5, 4399269), (7, 3142335), (15, 1466423), (21, 1047445), (35, 628467), (49, 448905), (105, 209489), (147, 149635), (245, 89781), (735, 29927)]