21267308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1201}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 39377520

約数和(自身を除く): 18110212

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1201, 2402, 4427, 4804, 8854, 17708, 22819, 45638, 91276, 279833, 559666, 1119332, 5316827, 10633654, 21267308]

約数ペア:

[(1, 21267308), (2, 10633654), (4, 5316827), (19, 1119332), (38, 559666), (76, 279833), (233, 91276), (466, 45638), (932, 22819), (1201, 17708), (2402, 8854), (4427, 4804)]