21395296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51431}}^1$

素因数の和:51454

約数の個数: 24

約数和(自身を含む): 45363024

約数和(自身を除く): 23967728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51431, 102862, 205724, 411448, 668603, 822896, 1337206, 1645792, 2674412, 5348824, 10697648, 21395296]

約数ペア:

[(1, 21395296), (2, 10697648), (4, 5348824), (8, 2674412), (13, 1645792), (16, 1337206), (26, 822896), (32, 668603), (52, 411448), (104, 205724), (208, 102862), (416, 51431)]