21935186

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 41601024

約数和(自身を除く): 19665838

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 127, 146, 169, 182, 254, 338, 511, 889, 949, 1022, 1183, 1651, 1778, 1898, 2366, 3302, 6643, 9271, 11557, 12337, 13286, 18542, 21463, 23114, 24674, 42926, 64897, 86359, 120523, 129794, 150241, 172718, 241046, 300482, 843661, 1566799, 1687322, 3133598, 10967593, 21935186]

約数ペア:

[(1, 21935186), (2, 10967593), (7, 3133598), (13, 1687322), (14, 1566799), (26, 843661), (73, 300482), (91, 241046), (127, 172718), (146, 150241), (169, 129794), (182, 120523), (254, 86359), (338, 64897), (511, 42926), (889, 24674), (949, 23114), (1022, 21463), (1183, 18542), (1651, 13286), (1778, 12337), (1898, 11557), (2366, 9271), (3302, 6643)]