21694827

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4983

約数の個数: 32

約数和(自身を含む): 37969920

約数和(自身を除く): 16275093

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4943, 14829, 34601, 54373, 93917, 103803, 163119, 281751, 380611, 657419, 1033087, 1141833, 1972257, 3099261, 7231609, 21694827]

約数ペア:

[(1, 21694827), (3, 7231609), (7, 3099261), (11, 1972257), (19, 1141833), (21, 1033087), (33, 657419), (57, 380611), (77, 281751), (133, 163119), (209, 103803), (231, 93917), (399, 54373), (627, 34601), (1463, 14829), (4389, 4943)]