21887444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 40528320

約数和(自身を除く): 18640876

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3259, 3358, 6518, 6716, 13036, 74957, 149914, 237907, 299828, 475814, 951628, 5471861, 10943722, 21887444]

約数ペア:

[(1, 21887444), (2, 10943722), (4, 5471861), (23, 951628), (46, 475814), (73, 299828), (92, 237907), (146, 149914), (292, 74957), (1679, 13036), (3259, 6716), (3358, 6518)]