21377256

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{8819}}^1$

素因数の和:8929

約数の個数: 32

約数和(自身を含む): 53978400

約数和(自身を除く): 32601144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 202, 303, 404, 606, 808, 1212, 2424, 8819, 17638, 26457, 35276, 52914, 70552, 105828, 211656, 890719, 1781438, 2672157, 3562876, 5344314, 7125752, 10688628, 21377256]

約数ペア:

[(1, 21377256), (2, 10688628), (3, 7125752), (4, 5344314), (6, 3562876), (8, 2672157), (12, 1781438), (24, 890719), (101, 211656), (202, 105828), (303, 70552), (404, 52914), (606, 35276), (808, 26457), (1212, 17638), (2424, 8819)]