21606845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10723}}^1$

素因数の和:10772

約数の個数: 16

約数和(自身を含む): 28826112

約数和(自身を除く): 7219267

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10723, 53615, 139399, 332413, 696995, 1662065, 4321369, 21606845]

約数ペア:

[(1, 21606845), (5, 4321369), (13, 1662065), (31, 696995), (65, 332413), (155, 139399), (403, 53615), (2015, 10723)]