21229874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10733}}^1$

素因数の和:10801

約数の個数: 16

約数和(自身を含む): 34005312

約数和(自身を除く): 12775438

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10733, 21466, 246859, 461519, 493718, 923038, 10614937, 21229874]

約数ペア:

[(1, 21229874), (2, 10614937), (23, 923038), (43, 493718), (46, 461519), (86, 246859), (989, 21466), (1978, 10733)]