21321966

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 44725248

約数和(自身を除く): 23403282

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 367, 421, 734, 842, 1101, 1263, 2202, 2526, 8441, 9683, 16882, 19366, 25323, 29049, 50646, 58098, 154507, 309014, 463521, 927042, 3553661, 7107322, 10660983, 21321966]

約数ペア:

[(1, 21321966), (2, 10660983), (3, 7107322), (6, 3553661), (23, 927042), (46, 463521), (69, 309014), (138, 154507), (367, 58098), (421, 50646), (734, 29049), (842, 25323), (1101, 19366), (1263, 16882), (2202, 9683), (2526, 8441)]