21492840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179107}}^1$

素因数の和:179121

約数の個数: 32

約数和(自身を含む): 64478880

約数和(自身を除く): 42986040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179107, 358214, 537321, 716428, 895535, 1074642, 1432856, 1791070, 2149284, 2686605, 3582140, 4298568, 5373210, 7164280, 10746420, 21492840]

約数ペア:

[(1, 21492840), (2, 10746420), (3, 7164280), (4, 5373210), (5, 4298568), (6, 3582140), (8, 2686605), (10, 2149284), (12, 1791070), (15, 1432856), (20, 1074642), (24, 895535), (30, 716428), (40, 537321), (60, 358214), (120, 179107)]