21784182

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 49939200

約数和(自身を除く): 28155018

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 1018, 1019, 1527, 2038, 3054, 3057, 3563, 6114, 7126, 7133, 10689, 14266, 21378, 21399, 42798, 518671, 1037342, 1556013, 3112026, 3630697, 7261394, 10892091, 21784182]

約数ペア:

[(1, 21784182), (2, 10892091), (3, 7261394), (6, 3630697), (7, 3112026), (14, 1556013), (21, 1037342), (42, 518671), (509, 42798), (1018, 21399), (1019, 21378), (1527, 14266), (2038, 10689), (3054, 7133), (3057, 7126), (3563, 6114)]