21144838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4392

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 18318362

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4349, 4862, 8698, 47839, 56537, 73933, 95678, 113074, 147866, 621907, 813263, 961129, 1243814, 1626526, 1922258, 10572419, 21144838]

約数ペア:

[(1, 21144838), (2, 10572419), (11, 1922258), (13, 1626526), (17, 1243814), (22, 961129), (26, 813263), (34, 621907), (143, 147866), (187, 113074), (221, 95678), (286, 73933), (374, 56537), (442, 47839), (2431, 8698), (4349, 4862)]