21572148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138283}}^1$

素因数の和:138303

約数の個数: 24

約数和(自身を含む): 54207328

約数和(自身を除く): 32635180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138283, 276566, 414849, 553132, 829698, 1659396, 1797679, 3595358, 5393037, 7190716, 10786074, 21572148]

約数ペア:

[(1, 21572148), (2, 10786074), (3, 7190716), (4, 5393037), (6, 3595358), (12, 1797679), (13, 1659396), (26, 829698), (39, 553132), (52, 414849), (78, 276566), (156, 138283)]