21014288

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24781}}^1$

素因数の和:24842

約数の個数: 20

約数和(自身を含む): 41485068

約数和(自身を除く): 20470780

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24781, 49562, 99124, 198248, 396496, 1313393, 2626786, 5253572, 10507144, 21014288]

約数ペア:

[(1, 21014288), (2, 10507144), (4, 5253572), (8, 2626786), (16, 1313393), (53, 396496), (106, 198248), (212, 99124), (424, 49562), (848, 24781)]