21446979

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 31461360

約数和(自身を除く): 10014381

約数列:

[1, 3, 17, 29, 51, 87, 289, 493, 853, 867, 1479, 2559, 8381, 14501, 24737, 25143, 43503, 74211, 246517, 420529, 739551, 1261587, 7148993, 21446979]

約数ペア:

[(1, 21446979), (3, 7148993), (17, 1261587), (29, 739551), (51, 420529), (87, 246517), (289, 74211), (493, 43503), (853, 25143), (867, 24737), (1479, 14501), (2559, 8381)]