21819660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11731}}^1$

素因数の和:11774

約数の個数: 48

約数和(自身を含む): 63071232

約数和(自身を除く): 41251572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11731, 23462, 35193, 46924, 58655, 70386, 117310, 140772, 175965, 234620, 351930, 363661, 703860, 727322, 1090983, 1454644, 1818305, 2181966, 3636610, 4363932, 5454915, 7273220, 10909830, 21819660]

約数ペア:

[(1, 21819660), (2, 10909830), (3, 7273220), (4, 5454915), (5, 4363932), (6, 3636610), (10, 2181966), (12, 1818305), (15, 1454644), (20, 1090983), (30, 727322), (31, 703860), (60, 363661), (62, 351930), (93, 234620), (124, 175965), (155, 140772), (186, 117310), (310, 70386), (372, 58655), (465, 46924), (620, 35193), (930, 23462), (1860, 11731)]