21808548

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1787}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 57072960

約数和(自身を除く): 35264412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 1787, 2034, 3051, 3574, 4068, 5361, 6102, 7148, 10722, 12204, 16083, 21444, 32166, 48249, 64332, 96498, 192996, 201931, 403862, 605793, 807724, 1211586, 1817379, 2423172, 3634758, 5452137, 7269516, 10904274, 21808548]

約数ペア:

[(1, 21808548), (2, 10904274), (3, 7269516), (4, 5452137), (6, 3634758), (9, 2423172), (12, 1817379), (18, 1211586), (27, 807724), (36, 605793), (54, 403862), (108, 201931), (113, 192996), (226, 96498), (339, 64332), (452, 48249), (678, 32166), (1017, 21444), (1356, 16083), (1787, 12204), (2034, 10722), (3051, 7148), (3574, 6102), (4068, 5361)]