21915023

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 25474176

約数和(自身を除く): 3559153

約数列:

[1, 13, 17, 53, 221, 689, 901, 1871, 11713, 24323, 31807, 99163, 413491, 1289119, 1685771, 21915023]

約数ペア:

[(1, 21915023), (13, 1685771), (17, 1289119), (53, 413491), (221, 99163), (689, 31807), (901, 24323), (1871, 11713)]