21866528

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12893}}^1$

素因数の和:12956

約数の個数: 24

約数和(自身を含む): 43865388

約数和(自身を除く): 21998860

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12893, 25786, 51572, 103144, 206288, 412576, 683329, 1366658, 2733316, 5466632, 10933264, 21866528]

約数ペア:

[(1, 21866528), (2, 10933264), (4, 5466632), (8, 2733316), (16, 1366658), (32, 683329), (53, 412576), (106, 206288), (212, 103144), (424, 51572), (848, 25786), (1696, 12893)]