21316636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1801}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 19552724

約数列:

[1, 2, 4, 11, 22, 44, 269, 538, 1076, 1801, 2959, 3602, 5918, 7204, 11836, 19811, 39622, 79244, 484469, 968938, 1937876, 5329159, 10658318, 21316636]

約数ペア:

[(1, 21316636), (2, 10658318), (4, 5329159), (11, 1937876), (22, 968938), (44, 484469), (269, 79244), (538, 39622), (1076, 19811), (1801, 11836), (2959, 7204), (3602, 5918)]