21272884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 39227328

約数和(自身を除く): 17954444

約数列:

[1, 2, 4, 23, 46, 92, 107, 214, 428, 2161, 2461, 4322, 4922, 8644, 9844, 49703, 99406, 198812, 231227, 462454, 924908, 5318221, 10636442, 21272884]

約数ペア:

[(1, 21272884), (2, 10636442), (4, 5318221), (23, 924908), (46, 462454), (92, 231227), (107, 198812), (214, 99406), (428, 49703), (2161, 9844), (2461, 8644), (4322, 4922)]