21356634

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273803}}^1$

素因数の和:273821

約数の個数: 16

約数和(自身を含む): 45999072

約数和(自身を除く): 24642438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273803, 547606, 821409, 1642818, 3559439, 7118878, 10678317, 21356634]

約数ペア:

[(1, 21356634), (2, 10678317), (3, 7118878), (6, 3559439), (13, 1642818), (26, 821409), (39, 547606), (78, 273803)]