21943452020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1888421}}^1$

素因数の和:1888520

約数の個数: 48

約数和(自身を含む): 53298822528

約数和(自身を除く): 31355370508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 1888421, 3776842, 7553684, 9442105, 13218947, 18884210, 26437894, 37768420, 52875788, 66094735, 132189470, 156738943, 264378940, 313477886, 626955772, 783694715, 1097172601, 1567389430, 2194345202, 3134778860, 4388690404, 5485863005, 10971726010, 21943452020]

約数ペア:

[(1, 21943452020), (2, 10971726010), (4, 5485863005), (5, 4388690404), (7, 3134778860), (10, 2194345202), (14, 1567389430), (20, 1097172601), (28, 783694715), (35, 626955772), (70, 313477886), (83, 264378940), (140, 156738943), (166, 132189470), (332, 66094735), (415, 52875788), (581, 37768420), (830, 26437894), (1162, 18884210), (1660, 13218947), (2324, 9442105), (2905, 7553684), (5810, 3776842), (11620, 1888421)]