21012144

素因数分解:

$2^4\times 3^1\times {\mathrm{437753}}^1$

素因数の和:437764

約数の個数: 20

約数和(自身を含む): 54281496

約数和(自身を除く): 33269352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437753, 875506, 1313259, 1751012, 2626518, 3502024, 5253036, 7004048, 10506072, 21012144]

約数ペア:

[(1, 21012144), (2, 10506072), (3, 7004048), (4, 5253036), (6, 3502024), (8, 2626518), (12, 1751012), (16, 1313259), (24, 875506), (48, 437753)]