21706986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 51920064

約数和(自身を除く): 30213078

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 966, 977, 1058, 1587, 1954, 2931, 3174, 3703, 5862, 6839, 7406, 11109, 13678, 20517, 22218, 22471, 41034, 44942, 67413, 134826, 157297, 314594, 471891, 516833, 943782, 1033666, 1550499, 3100998, 3617831, 7235662, 10853493, 21706986]

約数ペア:

[(1, 21706986), (2, 10853493), (3, 7235662), (6, 3617831), (7, 3100998), (14, 1550499), (21, 1033666), (23, 943782), (42, 516833), (46, 471891), (69, 314594), (138, 157297), (161, 134826), (322, 67413), (483, 44942), (529, 41034), (966, 22471), (977, 22218), (1058, 20517), (1587, 13678), (1954, 11109), (2931, 7406), (3174, 6839), (3703, 5862)]