21351774

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154723}}^1$

素因数の和:154751

約数の個数: 16

約数和(自身を含む): 44560512

約数和(自身を除く): 23208738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154723, 309446, 464169, 928338, 3558629, 7117258, 10675887, 21351774]

約数ペア:

[(1, 21351774), (2, 10675887), (3, 7117258), (6, 3558629), (23, 928338), (46, 464169), (69, 309446), (138, 154723)]