21069666

素因数分解:

$2^1\times 3^3\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 25975134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 241, 482, 723, 1446, 1619, 2169, 3238, 4338, 4857, 6507, 9714, 13014, 14571, 29142, 43713, 87426, 390179, 780358, 1170537, 2341074, 3511611, 7023222, 10534833, 21069666]

約数ペア:

[(1, 21069666), (2, 10534833), (3, 7023222), (6, 3511611), (9, 2341074), (18, 1170537), (27, 780358), (54, 390179), (241, 87426), (482, 43713), (723, 29142), (1446, 14571), (1619, 13014), (2169, 9714), (3238, 6507), (4338, 4857)]