21554072

素因数分解:

$2^3\times {\mathrm{113}}^2\times {\mathrm{211}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 40967940

約数和(自身を除く): 19413868

約数列:

[1, 2, 4, 8, 113, 211, 226, 422, 452, 844, 904, 1688, 12769, 23843, 25538, 47686, 51076, 95372, 102152, 190744, 2694259, 5388518, 10777036, 21554072]

約数ペア:

[(1, 21554072), (2, 10777036), (4, 5388518), (8, 2694259), (113, 190744), (211, 102152), (226, 95372), (422, 51076), (452, 47686), (844, 25538), (904, 23843), (1688, 12769)]