21505572

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4937}}^1$

素因数の和:4969

約数の個数: 54

約数和(自身を含む): 59764614

約数和(自身を除く): 38259042

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4937, 9874, 14811, 19748, 29622, 44433, 54307, 59244, 88866, 108614, 162921, 177732, 217228, 325842, 488763, 597377, 651684, 977526, 1194754, 1792131, 1955052, 2389508, 3584262, 5376393, 7168524, 10752786, 21505572]

約数ペア:

[(1, 21505572), (2, 10752786), (3, 7168524), (4, 5376393), (6, 3584262), (9, 2389508), (11, 1955052), (12, 1792131), (18, 1194754), (22, 977526), (33, 651684), (36, 597377), (44, 488763), (66, 325842), (99, 217228), (121, 177732), (132, 162921), (198, 108614), (242, 88866), (363, 59244), (396, 54307), (484, 44433), (726, 29622), (1089, 19748), (1452, 14811), (2178, 9874), (4356, 4937)]