21268054

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27197}}^1$

素因数の和:27239

約数の個数: 16

約数和(自身を含む): 35248608

約数和(自身を除く): 13980554

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27197, 54394, 462349, 625531, 924698, 1251062, 10634027, 21268054]

約数ペア:

[(1, 21268054), (2, 10634027), (17, 1251062), (23, 924698), (34, 625531), (46, 462349), (391, 54394), (782, 27197)]