21030698

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1518

約数の個数: 24

約数和(自身を含む): 34977888

約数和(自身を除く): 13947190

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1447, 2894, 7267, 14534, 18811, 37622, 62221, 124442, 244543, 489086, 808873, 1617746, 10515349, 21030698]

約数ペア:

[(1, 21030698), (2, 10515349), (13, 1617746), (26, 808873), (43, 489086), (86, 244543), (169, 124442), (338, 62221), (559, 37622), (1118, 18811), (1447, 14534), (2894, 7267)]