21345246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4841

約数の個数: 48

約数和(自身を含む): 52437840

約数和(自身を除く): 31092594

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4801, 9602, 14403, 28806, 43209, 62413, 86418, 91219, 124826, 182438, 187239, 273657, 374478, 547314, 561717, 820971, 1123434, 1185847, 1641942, 2371694, 3557541, 7115082, 10672623, 21345246]

約数ペア:

[(1, 21345246), (2, 10672623), (3, 7115082), (6, 3557541), (9, 2371694), (13, 1641942), (18, 1185847), (19, 1123434), (26, 820971), (38, 561717), (39, 547314), (57, 374478), (78, 273657), (114, 187239), (117, 182438), (171, 124826), (234, 91219), (247, 86418), (342, 62413), (494, 43209), (741, 28806), (1482, 14403), (2223, 9602), (4446, 4801)]