21569440

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1193}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 51451848

約数和(自身を除く): 29882408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1193, 1808, 2260, 2386, 3616, 4520, 4772, 5965, 9040, 9544, 11930, 18080, 19088, 23860, 38176, 47720, 95440, 134809, 190880, 269618, 539236, 674045, 1078472, 1348090, 2156944, 2696180, 4313888, 5392360, 10784720, 21569440]

約数ペア:

[(1, 21569440), (2, 10784720), (4, 5392360), (5, 4313888), (8, 2696180), (10, 2156944), (16, 1348090), (20, 1078472), (32, 674045), (40, 539236), (80, 269618), (113, 190880), (160, 134809), (226, 95440), (452, 47720), (565, 38176), (904, 23860), (1130, 19088), (1193, 18080), (1808, 11930), (2260, 9544), (2386, 9040), (3616, 5965), (4520, 4772)]