21228432

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6229}}^1$

素因数の和:6311

約数の個数: 40

約数和(自身を含む): 55621440

約数和(自身を除く): 34393008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 6229, 12458, 18687, 24916, 37374, 49832, 74748, 99664, 149496, 298992, 442259, 884518, 1326777, 1769036, 2653554, 3538072, 5307108, 7076144, 10614216, 21228432]

約数ペア:

[(1, 21228432), (2, 10614216), (3, 7076144), (4, 5307108), (6, 3538072), (8, 2653554), (12, 1769036), (16, 1326777), (24, 884518), (48, 442259), (71, 298992), (142, 149496), (213, 99664), (284, 74748), (426, 49832), (568, 37374), (852, 24916), (1136, 18687), (1704, 12458), (3408, 6229)]