21139960558

素因数分解:

$2^1\times {\mathrm{571}}^1\times {\mathrm{683}}^1\times {\mathrm{27103}}^1$

素因数の和:28359

約数の個数: 16

約数和(自身を含む): 31813157376

約数和(自身を除く): 10673196818

約数列:

[1, 2, 571, 683, 1142, 1366, 27103, 54206, 389993, 779986, 15475813, 18511349, 30951626, 37022698, 10569980279, 21139960558]

約数ペア:

[(1, 21139960558), (2, 10569980279), (571, 37022698), (683, 30951626), (1142, 18511349), (1366, 15475813), (27103, 779986), (54206, 389993)]