21296691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{953}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 33336576

約数和(自身を除く): 12039885

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 953, 1719, 2483, 2859, 7449, 8577, 12389, 22347, 37167, 111501, 182023, 546069, 1638207, 2366299, 7098897, 21296691]

約数ペア:

[(1, 21296691), (3, 7098897), (9, 2366299), (13, 1638207), (39, 546069), (117, 182023), (191, 111501), (573, 37167), (953, 22347), (1719, 12389), (2483, 8577), (2859, 7449)]