21672224

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3169

約数の個数: 48

約数和(自身を含む): 50351616

約数和(自身を除く): 28679392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3121, 3472, 6242, 6944, 12484, 21847, 24968, 43694, 49936, 87388, 96751, 99872, 174776, 193502, 349552, 387004, 677257, 699104, 774008, 1354514, 1548016, 2709028, 3096032, 5418056, 10836112, 21672224]

約数ペア:

[(1, 21672224), (2, 10836112), (4, 5418056), (7, 3096032), (8, 2709028), (14, 1548016), (16, 1354514), (28, 774008), (31, 699104), (32, 677257), (56, 387004), (62, 349552), (112, 193502), (124, 174776), (217, 99872), (224, 96751), (248, 87388), (434, 49936), (496, 43694), (868, 24968), (992, 21847), (1736, 12484), (3121, 6944), (3472, 6242)]