21011508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27793}}^1$

素因数の和:27813

約数の個数: 48

約数和(自身を含む): 62258560

約数和(自身を除く): 41247052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27793, 55586, 83379, 111172, 166758, 194551, 250137, 333516, 389102, 500274, 583653, 750411, 778204, 1000548, 1167306, 1500822, 1750959, 2334612, 3001644, 3501918, 5252877, 7003836, 10505754, 21011508]

約数ペア:

[(1, 21011508), (2, 10505754), (3, 7003836), (4, 5252877), (6, 3501918), (7, 3001644), (9, 2334612), (12, 1750959), (14, 1500822), (18, 1167306), (21, 1000548), (27, 778204), (28, 750411), (36, 583653), (42, 500274), (54, 389102), (63, 333516), (84, 250137), (108, 194551), (126, 166758), (189, 111172), (252, 83379), (378, 55586), (756, 27793)]