21220848

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13397}}^1$

素因数の和:13422

約数の個数: 60

約数和(自身を含む): 64792728

約数和(自身を除く): 43571880

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13397, 26794, 40191, 53588, 80382, 107176, 120573, 147367, 160764, 214352, 241146, 294734, 321528, 442101, 482292, 589468, 643056, 884202, 964584, 1178936, 1326303, 1768404, 1929168, 2357872, 2652606, 3536808, 5305212, 7073616, 10610424, 21220848]

約数ペア:

[(1, 21220848), (2, 10610424), (3, 7073616), (4, 5305212), (6, 3536808), (8, 2652606), (9, 2357872), (11, 1929168), (12, 1768404), (16, 1326303), (18, 1178936), (22, 964584), (24, 884202), (33, 643056), (36, 589468), (44, 482292), (48, 442101), (66, 321528), (72, 294734), (88, 241146), (99, 214352), (132, 160764), (144, 147367), (176, 120573), (198, 107176), (264, 80382), (396, 53588), (528, 40191), (792, 26794), (1584, 13397)]