21550554

素因数分解:

$2^1\times 3^2\times {\mathrm{839}}^1\times {\mathrm{1427}}^1$

素因数の和:2274

約数の個数: 24

約数和(自身を含む): 46781280

約数和(自身を除く): 25230726

約数列:

[1, 2, 3, 6, 9, 18, 839, 1427, 1678, 2517, 2854, 4281, 5034, 7551, 8562, 12843, 15102, 25686, 1197253, 2394506, 3591759, 7183518, 10775277, 21550554]

約数ペア:

[(1, 21550554), (2, 10775277), (3, 7183518), (6, 3591759), (9, 2394506), (18, 1197253), (839, 25686), (1427, 15102), (1678, 12843), (2517, 8562), (2854, 7551), (4281, 5034)]