21504004

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17324156

約数列:

[1, 2, 4, 47, 94, 107, 188, 214, 428, 1069, 2138, 4276, 5029, 10058, 20116, 50243, 100486, 114383, 200972, 228766, 457532, 5376001, 10752002, 21504004]

約数ペア:

[(1, 21504004), (2, 10752002), (4, 5376001), (47, 457532), (94, 228766), (107, 200972), (188, 114383), (214, 100486), (428, 50243), (1069, 20116), (2138, 10058), (4276, 5029)]