21690888

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10889}}^1$

素因数の和:10981

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 33194712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10889, 21778, 32667, 43556, 65334, 87112, 130668, 261336, 903787, 1807574, 2711361, 3615148, 5422722, 7230296, 10845444, 21690888]

約数ペア:

[(1, 21690888), (2, 10845444), (3, 7230296), (4, 5422722), (6, 3615148), (8, 2711361), (12, 1807574), (24, 903787), (83, 261336), (166, 130668), (249, 87112), (332, 65334), (498, 43556), (664, 32667), (996, 21778), (1992, 10889)]