21896968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 21951032

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2029, 2698, 4058, 5396, 8116, 10792, 16232, 38551, 77102, 144059, 154204, 288118, 308408, 576236, 1152472, 2737121, 5474242, 10948484, 21896968]

約数ペア:

[(1, 21896968), (2, 10948484), (4, 5474242), (8, 2737121), (19, 1152472), (38, 576236), (71, 308408), (76, 288118), (142, 154204), (152, 144059), (284, 77102), (568, 38551), (1349, 16232), (2029, 10792), (2698, 8116), (4058, 5396)]