21903694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5101}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 34897680

約数和(自身を除く): 12993986

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 5101, 10202, 96919, 193838, 576413, 1152826, 10951847, 21903694]

約数ペア:

[(1, 21903694), (2, 10951847), (19, 1152826), (38, 576413), (113, 193838), (226, 96919), (2147, 10202), (4294, 5101)]