21072786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26407}}^1$

素因数の和:26438

約数の個数: 32

約数和(自身を含む): 50703360

約数和(自身を除く): 29630574

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26407, 52814, 79221, 158442, 184849, 369698, 501733, 554547, 1003466, 1109094, 1505199, 3010398, 3512131, 7024262, 10536393, 21072786]

約数ペア:

[(1, 21072786), (2, 10536393), (3, 7024262), (6, 3512131), (7, 3010398), (14, 1505199), (19, 1109094), (21, 1003466), (38, 554547), (42, 501733), (57, 369698), (114, 184849), (133, 158442), (266, 79221), (399, 52814), (798, 26407)]