21501502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51439}}^1$

素因数の和:51471

約数の個数: 16

約数和(自身を含む): 37036800

約数和(自身を除く): 15535298

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51439, 102878, 565829, 977341, 1131658, 1954682, 10750751, 21501502]

約数ペア:

[(1, 21501502), (2, 10750751), (11, 1954682), (19, 1131658), (22, 977341), (38, 565829), (209, 102878), (418, 51439)]