21207444

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{8971}}^1$

素因数の和:9175

約数の個数: 24

約数和(自身を含む): 49740768

約数和(自身を除く): 28533324

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 8971, 17942, 26913, 35884, 53826, 107652, 1767287, 3534574, 5301861, 7069148, 10603722, 21207444]

約数ペア:

[(1, 21207444), (2, 10603722), (3, 7069148), (4, 5301861), (6, 3534574), (12, 1767287), (197, 107652), (394, 53826), (591, 35884), (788, 26913), (1182, 17942), (2364, 8971)]