21109626

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{1753}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 47147520

約数和(自身を除く): 26037894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 1753, 2007, 3506, 4014, 5259, 6021, 10518, 12042, 15777, 31554, 47331, 94662, 390919, 781838, 1172757, 2345514, 3518271, 7036542, 10554813, 21109626]

約数ペア:

[(1, 21109626), (2, 10554813), (3, 7036542), (6, 3518271), (9, 2345514), (18, 1172757), (27, 781838), (54, 390919), (223, 94662), (446, 47331), (669, 31554), (1338, 15777), (1753, 12042), (2007, 10518), (3506, 6021), (4014, 5259)]