21211656

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23887}}^1$

素因数の和:23933

約数の個数: 32

約数和(自身を含む): 54464640

約数和(自身を除く): 33252984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23887, 47774, 71661, 95548, 143322, 191096, 286644, 573288, 883819, 1767638, 2651457, 3535276, 5302914, 7070552, 10605828, 21211656]

約数ペア:

[(1, 21211656), (2, 10605828), (3, 7070552), (4, 5302914), (6, 3535276), (8, 2651457), (12, 1767638), (24, 883819), (37, 573288), (74, 286644), (111, 191096), (148, 143322), (222, 95548), (296, 71661), (444, 47774), (888, 23887)]