21000886216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2617259}}^1$

素因数の和:2617341

約数の個数: 32

約数和(自身を含む): 42399612000

約数和(自身を除く): 21398725784

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 4012, 8024, 2617259, 5234518, 10469036, 20938072, 44493403, 88986806, 154418281, 177973612, 308836562, 355947224, 617673124, 1235346248, 2625110777, 5250221554, 10500443108, 21000886216]

約数ペア:

[(1, 21000886216), (2, 10500443108), (4, 5250221554), (8, 2625110777), (17, 1235346248), (34, 617673124), (59, 355947224), (68, 308836562), (118, 177973612), (136, 154418281), (236, 88986806), (472, 44493403), (1003, 20938072), (2006, 10469036), (4012, 5234518), (8024, 2617259)]