21666930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13627}}^1$

素因数の和:13690

約数の個数: 32

約数和(自身を含む): 52985664

約数和(自身を除く): 31318734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13627, 27254, 40881, 68135, 81762, 136270, 204405, 408810, 722231, 1444462, 2166693, 3611155, 4333386, 7222310, 10833465, 21666930]

約数ペア:

[(1, 21666930), (2, 10833465), (3, 7222310), (5, 4333386), (6, 3611155), (10, 2166693), (15, 1444462), (30, 722231), (53, 408810), (106, 204405), (159, 136270), (265, 81762), (318, 68135), (530, 40881), (795, 27254), (1590, 13627)]