21858556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4027}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 40602240

約数和(自身を除く): 18743684

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 4027, 5428, 8054, 16108, 92621, 185242, 237593, 370484, 475186, 950372, 5464639, 10929278, 21858556]

約数ペア:

[(1, 21858556), (2, 10929278), (4, 5464639), (23, 950372), (46, 475186), (59, 370484), (92, 237593), (118, 185242), (236, 92621), (1357, 16108), (2714, 8054), (4027, 5428)]