21321034

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 16542902

約数列:

[1, 2, 7, 14, 43, 86, 107, 214, 301, 331, 602, 662, 749, 1498, 2317, 4601, 4634, 9202, 14233, 28466, 32207, 35417, 64414, 70834, 99631, 199262, 247919, 495838, 1522931, 3045862, 10660517, 21321034]

約数ペア:

[(1, 21321034), (2, 10660517), (7, 3045862), (14, 1522931), (43, 495838), (86, 247919), (107, 199262), (214, 99631), (301, 70834), (331, 64414), (602, 35417), (662, 32207), (749, 28466), (1498, 14233), (2317, 9202), (4601, 4634)]