21515127

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 29507040

約数和(自身を除く): 7991913

約数列:

[1, 3, 61, 89, 183, 267, 1321, 3963, 5429, 16287, 80581, 117569, 241743, 352707, 7171709, 21515127]

約数ペア:

[(1, 21515127), (3, 7171709), (61, 352707), (89, 241743), (183, 117569), (267, 80581), (1321, 16287), (3963, 5429)]