21549693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 12042627

約数列:

[1, 3, 11, 17, 33, 51, 107, 187, 321, 359, 561, 1077, 1177, 1819, 3531, 3949, 5457, 6103, 11847, 18309, 20009, 38413, 60027, 67133, 115239, 201399, 422543, 653021, 1267629, 1959063, 7183231, 21549693]

約数ペア:

[(1, 21549693), (3, 7183231), (11, 1959063), (17, 1267629), (33, 653021), (51, 422543), (107, 201399), (187, 115239), (321, 67133), (359, 60027), (561, 38413), (1077, 20009), (1177, 18309), (1819, 11847), (3531, 6103), (3949, 5457)]