21473672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 22676728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 1021, 1912, 2042, 2629, 4084, 5258, 8168, 10516, 11231, 21032, 22462, 44924, 89848, 244019, 488038, 976076, 1952152, 2684209, 5368418, 10736836, 21473672]

約数ペア:

[(1, 21473672), (2, 10736836), (4, 5368418), (8, 2684209), (11, 1952152), (22, 976076), (44, 488038), (88, 244019), (239, 89848), (478, 44924), (956, 22462), (1021, 21032), (1912, 11231), (2042, 10516), (2629, 8168), (4084, 5258)]