21432478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{853}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 34125840

約数和(自身を除く): 12693362

約数列:

[1, 2, 17, 34, 739, 853, 1478, 1706, 12563, 14501, 25126, 29002, 630367, 1260734, 10716239, 21432478]

約数ペア:

[(1, 21432478), (2, 10716239), (17, 1260734), (34, 630367), (739, 29002), (853, 25126), (1478, 14501), (1706, 12563)]