21728252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59693}}^1$

素因数の和:59717

約数の個数: 24

約数和(自身を含む): 46800096

約数和(自身を除く): 25071844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59693, 119386, 238772, 417851, 776009, 835702, 1552018, 1671404, 3104036, 5432063, 10864126, 21728252]

約数ペア:

[(1, 21728252), (2, 10864126), (4, 5432063), (7, 3104036), (13, 1671404), (14, 1552018), (26, 835702), (28, 776009), (52, 417851), (91, 238772), (182, 119386), (364, 59693)]