21488274

素因数分解:

$2^1\times 3^3\times {\mathrm{227}}^1\times {\mathrm{1753}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 47989440

約数和(自身を除く): 26501166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 227, 454, 681, 1362, 1753, 2043, 3506, 4086, 5259, 6129, 10518, 12258, 15777, 31554, 47331, 94662, 397931, 795862, 1193793, 2387586, 3581379, 7162758, 10744137, 21488274]

約数ペア:

[(1, 21488274), (2, 10744137), (3, 7162758), (6, 3581379), (9, 2387586), (18, 1193793), (27, 795862), (54, 397931), (227, 94662), (454, 47331), (681, 31554), (1362, 15777), (1753, 12258), (2043, 10518), (3506, 6129), (4086, 5259)]