21904188

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4177}}^1$

素因数の和:4226

約数の個数: 48

約数和(自身を含む): 56152320

約数和(自身を除く): 34248132

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 4177, 5244, 8354, 12531, 16708, 25062, 50124, 79363, 96071, 158726, 192142, 238089, 288213, 317452, 384284, 476178, 576426, 952356, 1152852, 1825349, 3650698, 5476047, 7301396, 10952094, 21904188]

約数ペア:

[(1, 21904188), (2, 10952094), (3, 7301396), (4, 5476047), (6, 3650698), (12, 1825349), (19, 1152852), (23, 952356), (38, 576426), (46, 476178), (57, 384284), (69, 317452), (76, 288213), (92, 238089), (114, 192142), (138, 158726), (228, 96071), (276, 79363), (437, 50124), (874, 25062), (1311, 16708), (1748, 12531), (2622, 8354), (4177, 5244)]