21120246

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167621}}^1$

素因数の和:167636

約数の個数: 24

約数和(自身を含む): 52298064

約数和(自身を除く): 31177818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167621, 335242, 502863, 1005726, 1173347, 1508589, 2346694, 3017178, 3520041, 7040082, 10560123, 21120246]

約数ペア:

[(1, 21120246), (2, 10560123), (3, 7040082), (6, 3520041), (7, 3017178), (9, 2346694), (14, 1508589), (18, 1173347), (21, 1005726), (42, 502863), (63, 335242), (126, 167621)]