21994252

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25339}}^1$

素因数の和:25381

約数の個数: 24

約数和(自身を含む): 45409280

約数和(自身を除く): 23415028

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25339, 50678, 101356, 177373, 354746, 709492, 785509, 1571018, 3142036, 5498563, 10997126, 21994252]

約数ペア:

[(1, 21994252), (2, 10997126), (4, 5498563), (7, 3142036), (14, 1571018), (28, 785509), (31, 709492), (62, 354746), (124, 177373), (217, 101356), (434, 50678), (868, 25339)]