21221464

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1993}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 43788240

約数和(自身を除く): 22566776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1993, 2662, 3986, 5324, 7972, 10648, 15944, 21923, 43846, 87692, 175384, 241153, 482306, 964612, 1929224, 2652683, 5305366, 10610732, 21221464]

約数ペア:

[(1, 21221464), (2, 10610732), (4, 5305366), (8, 2652683), (11, 1929224), (22, 964612), (44, 482306), (88, 241153), (121, 175384), (242, 87692), (484, 43846), (968, 21923), (1331, 15944), (1993, 10648), (2662, 7972), (3986, 5324)]