21281304

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80611}}^1$

素因数の和:80631

約数の個数: 32

約数和(自身を含む): 58040640

約数和(自身を除く): 36759336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80611, 161222, 241833, 322444, 483666, 644888, 886721, 967332, 1773442, 1934664, 2660163, 3546884, 5320326, 7093768, 10640652, 21281304]

約数ペア:

[(1, 21281304), (2, 10640652), (3, 7093768), (4, 5320326), (6, 3546884), (8, 2660163), (11, 1934664), (12, 1773442), (22, 967332), (24, 886721), (33, 644888), (44, 483666), (66, 322444), (88, 241833), (132, 161222), (264, 80611)]