21331782

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12743}}^1$

素因数の和:12785

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 27605178

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12743, 25486, 38229, 76458, 114687, 229374, 344061, 395033, 688122, 790066, 1185099, 2370198, 3555297, 7110594, 10665891, 21331782]

約数ペア:

[(1, 21331782), (2, 10665891), (3, 7110594), (6, 3555297), (9, 2370198), (18, 1185099), (27, 790066), (31, 688122), (54, 395033), (62, 344061), (93, 229374), (186, 114687), (279, 76458), (558, 38229), (837, 25486), (1674, 12743)]