21742908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 55824384

約数和(自身を除く): 34081476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1297, 1397, 1524, 2594, 2794, 3891, 4191, 5188, 5588, 7782, 8382, 14267, 15564, 16764, 28534, 42801, 57068, 85602, 164719, 171204, 329438, 494157, 658876, 988314, 1811909, 1976628, 3623818, 5435727, 7247636, 10871454, 21742908]

約数ペア:

[(1, 21742908), (2, 10871454), (3, 7247636), (4, 5435727), (6, 3623818), (11, 1976628), (12, 1811909), (22, 988314), (33, 658876), (44, 494157), (66, 329438), (127, 171204), (132, 164719), (254, 85602), (381, 57068), (508, 42801), (762, 28534), (1297, 16764), (1397, 15564), (1524, 14267), (2594, 8382), (2794, 7782), (3891, 5588), (4191, 5188)]