21774399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 33799680

約数和(自身を除く): 12025281

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 977, 1173, 1311, 2931, 7429, 16609, 18563, 22287, 22471, 49827, 55689, 67413, 315571, 382007, 426949, 946713, 1146021, 1280847, 7258133, 21774399]

約数ペア:

[(1, 21774399), (3, 7258133), (17, 1280847), (19, 1146021), (23, 946713), (51, 426949), (57, 382007), (69, 315571), (323, 67413), (391, 55689), (437, 49827), (969, 22471), (977, 22287), (1173, 18563), (1311, 16609), (2931, 7429)]