21262396

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{967}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 17767364

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 956, 967, 1934, 3868, 5497, 10994, 21988, 22241, 44482, 88964, 231113, 462226, 924452, 5315599, 10631198, 21262396]

約数ペア:

[(1, 21262396), (2, 10631198), (4, 5315599), (23, 924452), (46, 462226), (92, 231113), (239, 88964), (478, 44482), (956, 22241), (967, 21988), (1934, 10994), (3868, 5497)]