21080556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83653}}^1$

素因数の和:83670

約数の個数: 36

約数和(自身を含む): 60900112

約数和(自身を除く): 39819556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83653, 167306, 250959, 334612, 501918, 585571, 752877, 1003836, 1171142, 1505754, 1756713, 2342284, 3011508, 3513426, 5270139, 7026852, 10540278, 21080556]

約数ペア:

[(1, 21080556), (2, 10540278), (3, 7026852), (4, 5270139), (6, 3513426), (7, 3011508), (9, 2342284), (12, 1756713), (14, 1505754), (18, 1171142), (21, 1003836), (28, 752877), (36, 585571), (42, 501918), (63, 334612), (84, 250959), (126, 167306), (252, 83653)]