21322912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51257}}^1$

素因数の和:51280

約数の個数: 24

約数和(自身を含む): 45209556

約数和(自身を除く): 23886644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51257, 102514, 205028, 410056, 666341, 820112, 1332682, 1640224, 2665364, 5330728, 10661456, 21322912]

約数ペア:

[(1, 21322912), (2, 10661456), (4, 5330728), (8, 2665364), (13, 1640224), (16, 1332682), (26, 820112), (32, 666341), (52, 410056), (104, 205028), (208, 102514), (416, 51257)]