21336645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129313}}^1$

素因数の和:129332

約数の個数: 16

約数和(自身を含む): 37242432

約数和(自身を除く): 15905787

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129313, 387939, 646565, 1422443, 1939695, 4267329, 7112215, 21336645]

約数ペア:

[(1, 21336645), (3, 7112215), (5, 4267329), (11, 1939695), (15, 1422443), (33, 646565), (55, 387939), (165, 129313)]