21099142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26981}}^1$

素因数の和:27023

約数の個数: 16

約数和(自身を含む): 34968672

約数和(自身を除く): 13869530

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26981, 53962, 458677, 620563, 917354, 1241126, 10549571, 21099142]

約数ペア:

[(1, 21099142), (2, 10549571), (17, 1241126), (23, 917354), (34, 620563), (46, 458677), (391, 53962), (782, 26981)]