21033166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 18964274

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2239, 4478, 4697, 9394, 15673, 24629, 31346, 49258, 136579, 172403, 273158, 344806, 956053, 1502369, 1912106, 3004738, 10516583, 21033166]

約数ペア:

[(1, 21033166), (2, 10516583), (7, 3004738), (11, 1912106), (14, 1502369), (22, 956053), (61, 344806), (77, 273158), (122, 172403), (154, 136579), (427, 49258), (671, 31346), (854, 24629), (1342, 15673), (2239, 9394), (4478, 4697)]