21655876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{727}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 41461056

約数和(自身を除く): 19805180

約数列:

[1, 2, 4, 11, 22, 44, 677, 727, 1354, 1454, 2708, 2908, 7447, 7997, 14894, 15994, 29788, 31988, 492179, 984358, 1968716, 5413969, 10827938, 21655876]

約数ペア:

[(1, 21655876), (2, 10827938), (4, 5413969), (11, 1968716), (22, 984358), (44, 492179), (677, 31988), (727, 29788), (1354, 15994), (1454, 14894), (2708, 7997), (2908, 7447)]