21822070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 42324480

約数和(自身を除く): 20502410

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2671, 4085, 5342, 8170, 13355, 26710, 50749, 101498, 114853, 229706, 253745, 507490, 574265, 1148530, 2182207, 4364414, 10911035, 21822070]

約数ペア:

[(1, 21822070), (2, 10911035), (5, 4364414), (10, 2182207), (19, 1148530), (38, 574265), (43, 507490), (86, 253745), (95, 229706), (190, 114853), (215, 101498), (430, 50749), (817, 26710), (1634, 13355), (2671, 8170), (4085, 5342)]