21162609

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 33126912

約数和(自身を除く): 11964303

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 947, 1719, 2483, 2841, 7449, 8523, 12311, 22347, 36933, 110799, 180877, 542631, 1627893, 2351401, 7054203, 21162609]

約数ペア:

[(1, 21162609), (3, 7054203), (9, 2351401), (13, 1627893), (39, 542631), (117, 180877), (191, 110799), (573, 36933), (947, 22347), (1719, 12311), (2483, 8523), (2841, 7449)]