21331994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{15991}}^1$

素因数の和:16045

約数の個数: 16

約数和(自身を含む): 34542720

約数和(自身を除く): 13210726

約数列:

[1, 2, 23, 29, 46, 58, 667, 1334, 15991, 31982, 367793, 463739, 735586, 927478, 10665997, 21331994]

約数ペア:

[(1, 21331994), (2, 10665997), (23, 927478), (29, 735586), (46, 463739), (58, 367793), (667, 31982), (1334, 15991)]