21725118

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13873}}^1$

素因数の和:13913

約数の個数: 32

約数和(自身を含む): 49946400

約数和(自身を除く): 28221282

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13873, 27746, 41619, 83238, 124857, 249714, 374571, 402317, 749142, 804634, 1206951, 2413902, 3620853, 7241706, 10862559, 21725118]

約数ペア:

[(1, 21725118), (2, 10862559), (3, 7241706), (6, 3620853), (9, 2413902), (18, 1206951), (27, 804634), (29, 749142), (54, 402317), (58, 374571), (87, 249714), (174, 124857), (261, 83238), (522, 41619), (783, 27746), (1566, 13873)]