21777028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 48545280

約数和(自身を除く): 26768252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2063, 2639, 4126, 5278, 8252, 10556, 14441, 26819, 28882, 53638, 57764, 59827, 107276, 119654, 187733, 239308, 375466, 418789, 750932, 777751, 837578, 1555502, 1675156, 3111004, 5444257, 10888514, 21777028]

約数ペア:

[(1, 21777028), (2, 10888514), (4, 5444257), (7, 3111004), (13, 1675156), (14, 1555502), (26, 837578), (28, 777751), (29, 750932), (52, 418789), (58, 375466), (91, 239308), (116, 187733), (182, 119654), (203, 107276), (364, 59827), (377, 57764), (406, 53638), (754, 28882), (812, 26819), (1508, 14441), (2063, 10556), (2639, 8252), (4126, 5278)]