21927356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7019}}^1$

素因数の和:7105

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 20529604

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 7019, 14038, 28076, 77209, 154418, 308836, 498349, 996698, 1993396, 5481839, 10963678, 21927356]

約数ペア:

[(1, 21927356), (2, 10963678), (4, 5481839), (11, 1993396), (22, 996698), (44, 498349), (71, 308836), (142, 154418), (284, 77209), (781, 28076), (1562, 14038), (3124, 7019)]