21558572

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5099}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 43411200

約数和(自身を除く): 21852628

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 5099, 10198, 20396, 35693, 71386, 142772, 769949, 1539898, 3079796, 5389643, 10779286, 21558572]

約数ペア:

[(1, 21558572), (2, 10779286), (4, 5389643), (7, 3079796), (14, 1539898), (28, 769949), (151, 142772), (302, 71386), (604, 35693), (1057, 20396), (2114, 10198), (4228, 5099)]