21895956

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7699}}^1$

素因数の和:7788

約数の個数: 36

約数和(自身を含む): 56056000

約数和(自身を除く): 34160044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7699, 15398, 23097, 30796, 46194, 69291, 92388, 138582, 277164, 608221, 1216442, 1824663, 2432884, 3649326, 5473989, 7298652, 10947978, 21895956]

約数ペア:

[(1, 21895956), (2, 10947978), (3, 7298652), (4, 5473989), (6, 3649326), (9, 2432884), (12, 1824663), (18, 1216442), (36, 608221), (79, 277164), (158, 138582), (237, 92388), (316, 69291), (474, 46194), (711, 30796), (948, 23097), (1422, 15398), (2844, 7699)]