21345732

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:689

約数の個数: 54

約数和(自身を含む): 55844334

約数和(自身を除く): 34498602

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 617, 961, 1116, 1234, 1851, 1922, 2468, 2883, 3702, 3844, 5553, 5766, 7404, 8649, 11106, 11532, 17298, 19127, 22212, 34596, 38254, 57381, 76508, 114762, 172143, 229524, 344286, 592937, 688572, 1185874, 1778811, 2371748, 3557622, 5336433, 7115244, 10672866, 21345732]

約数ペア:

[(1, 21345732), (2, 10672866), (3, 7115244), (4, 5336433), (6, 3557622), (9, 2371748), (12, 1778811), (18, 1185874), (31, 688572), (36, 592937), (62, 344286), (93, 229524), (124, 172143), (186, 114762), (279, 76508), (372, 57381), (558, 38254), (617, 34596), (961, 22212), (1116, 19127), (1234, 17298), (1851, 11532), (1922, 11106), (2468, 8649), (2883, 7404), (3702, 5766), (3844, 5553)]