2181774

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 5228496

約数和(自身を除く): 3046722

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 181, 246, 287, 294, 362, 543, 574, 861, 1086, 1267, 1722, 2009, 2534, 3801, 4018, 6027, 7421, 7602, 8869, 12054, 14842, 17738, 22263, 26607, 44526, 51947, 53214, 103894, 155841, 311682, 363629, 727258, 1090887, 2181774]

約数ペア:

[(1, 2181774), (2, 1090887), (3, 727258), (6, 363629), (7, 311682), (14, 155841), (21, 103894), (41, 53214), (42, 51947), (49, 44526), (82, 26607), (98, 22263), (123, 17738), (147, 14842), (181, 12054), (246, 8869), (287, 7602), (294, 7421), (362, 6027), (543, 4018), (574, 3801), (861, 2534), (1086, 2009), (1267, 1722)]