21292956

素因数分解:

$2^2\times 3^4\times {\mathrm{65719}}^1$

素因数の和:65735

約数の個数: 30

約数和(自身を含む): 55664840

約数和(自身を除く): 34371884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65719, 131438, 197157, 262876, 394314, 591471, 788628, 1182942, 1774413, 2365884, 3548826, 5323239, 7097652, 10646478, 21292956]

約数ペア:

[(1, 21292956), (2, 10646478), (3, 7097652), (4, 5323239), (6, 3548826), (9, 2365884), (12, 1774413), (18, 1182942), (27, 788628), (36, 591471), (54, 394314), (81, 262876), (108, 197157), (162, 131438), (324, 65719)]