21487746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26927}}^1$

素因数の和:26958

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 30214014

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26927, 53854, 80781, 161562, 188489, 376978, 511613, 565467, 1023226, 1130934, 1534839, 3069678, 3581291, 7162582, 10743873, 21487746]

約数ペア:

[(1, 21487746), (2, 10743873), (3, 7162582), (6, 3581291), (7, 3069678), (14, 1534839), (19, 1130934), (21, 1023226), (38, 565467), (42, 511613), (57, 376978), (114, 188489), (133, 161562), (266, 80781), (399, 53854), (798, 26927)]