21672404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{967}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 19308844

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 967, 1724, 1934, 3868, 5603, 11206, 12571, 22412, 25142, 50284, 416777, 833554, 1667108, 5418101, 10836202, 21672404]

約数ペア:

[(1, 21672404), (2, 10836202), (4, 5418101), (13, 1667108), (26, 833554), (52, 416777), (431, 50284), (862, 25142), (967, 22412), (1724, 12571), (1934, 11206), (3868, 5603)]