21144492

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1627}}^1$

素因数の和:1675

約数の個数: 54

約数和(自身を含む): 56444388

約数和(自身を除く): 35299896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1627, 2166, 3249, 3254, 4332, 4881, 6498, 6508, 9762, 12996, 14643, 19524, 29286, 30913, 58572, 61826, 92739, 123652, 185478, 278217, 370956, 556434, 587347, 1112868, 1174694, 1762041, 2349388, 3524082, 5286123, 7048164, 10572246, 21144492]

約数ペア:

[(1, 21144492), (2, 10572246), (3, 7048164), (4, 5286123), (6, 3524082), (9, 2349388), (12, 1762041), (18, 1174694), (19, 1112868), (36, 587347), (38, 556434), (57, 370956), (76, 278217), (114, 185478), (171, 123652), (228, 92739), (342, 61826), (361, 58572), (684, 30913), (722, 29286), (1083, 19524), (1444, 14643), (1627, 12996), (2166, 9762), (3249, 6508), (3254, 6498), (4332, 4881)]