21415277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 24447360

約数和(自身を除く): 3032083

約数列:

[1, 13, 23, 67, 299, 871, 1069, 1541, 13897, 20033, 24587, 71623, 319631, 931099, 1647329, 21415277]

約数ペア:

[(1, 21415277), (13, 1647329), (23, 931099), (67, 319631), (299, 71623), (871, 24587), (1069, 20033), (1541, 13897)]