21290760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59141}}^1$

素因数の和:59158

約数の個数: 48

約数和(自身を含む): 69196140

約数和(自身を除く): 47905380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59141, 118282, 177423, 236564, 295705, 354846, 473128, 532269, 591410, 709692, 887115, 1064538, 1182820, 1419384, 1774230, 2129076, 2365640, 2661345, 3548460, 4258152, 5322690, 7096920, 10645380, 21290760]

約数ペア:

[(1, 21290760), (2, 10645380), (3, 7096920), (4, 5322690), (5, 4258152), (6, 3548460), (8, 2661345), (9, 2365640), (10, 2129076), (12, 1774230), (15, 1419384), (18, 1182820), (20, 1064538), (24, 887115), (30, 709692), (36, 591410), (40, 532269), (45, 473128), (60, 354846), (72, 295705), (90, 236564), (120, 177423), (180, 118282), (360, 59141)]