21127065

素因数分解:

$3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1699}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 33864000

約数和(自身を除く): 12736935

約数列:

[1, 3, 5, 15, 829, 1699, 2487, 4145, 5097, 8495, 12435, 25485, 1408471, 4225413, 7042355, 21127065]

約数ペア:

[(1, 21127065), (3, 7042355), (5, 4225413), (15, 1408471), (829, 25485), (1699, 12435), (2487, 8495), (4145, 5097)]