21248986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 35868096

約数和(自身を除く): 14619110

約数列:

[1, 2, 11, 22, 73, 101, 131, 146, 202, 262, 803, 1111, 1441, 1606, 2222, 2882, 7373, 9563, 13231, 14746, 19126, 26462, 81103, 105193, 145541, 162206, 210386, 291082, 965863, 1931726, 10624493, 21248986]

約数ペア:

[(1, 21248986), (2, 10624493), (11, 1931726), (22, 965863), (73, 291082), (101, 210386), (131, 162206), (146, 145541), (202, 105193), (262, 81103), (803, 26462), (1111, 19126), (1441, 14746), (1606, 13231), (2222, 9563), (2882, 7373)]