21246973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 23814144

約数和(自身を除く): 2567171

約数列:

[1, 11, 67, 127, 227, 737, 1397, 2497, 8509, 15209, 28829, 93599, 167299, 317119, 1931543, 21246973]

約数ペア:

[(1, 21246973), (11, 1931543), (67, 317119), (127, 167299), (227, 93599), (737, 28829), (1397, 15209), (2497, 8509)]