21836556

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12379}}^1$

素因数の和:12403

約数の個数: 54

約数和(自身を含む): 64215060

約数和(自身を除く): 42378504

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12379, 24758, 37137, 49516, 74274, 86653, 111411, 148548, 173306, 222822, 259959, 346612, 445644, 519918, 606571, 779877, 1039836, 1213142, 1559754, 1819713, 2426284, 3119508, 3639426, 5459139, 7278852, 10918278, 21836556]

約数ペア:

[(1, 21836556), (2, 10918278), (3, 7278852), (4, 5459139), (6, 3639426), (7, 3119508), (9, 2426284), (12, 1819713), (14, 1559754), (18, 1213142), (21, 1039836), (28, 779877), (36, 606571), (42, 519918), (49, 445644), (63, 346612), (84, 259959), (98, 222822), (126, 173306), (147, 148548), (196, 111411), (252, 86653), (294, 74274), (441, 49516), (588, 37137), (882, 24758), (1764, 12379)]