21212028

素因数分解:

$2^2\times 3^2\times {\mathrm{293}}^1\times {\mathrm{2011}}^1$

素因数の和:2314

約数の個数: 36

約数和(自身を含む): 53829048

約数和(自身を除く): 32617020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 293, 586, 879, 1172, 1758, 2011, 2637, 3516, 4022, 5274, 6033, 8044, 10548, 12066, 18099, 24132, 36198, 72396, 589223, 1178446, 1767669, 2356892, 3535338, 5303007, 7070676, 10606014, 21212028]

約数ペア:

[(1, 21212028), (2, 10606014), (3, 7070676), (4, 5303007), (6, 3535338), (9, 2356892), (12, 1767669), (18, 1178446), (36, 589223), (293, 72396), (586, 36198), (879, 24132), (1172, 18099), (1758, 12066), (2011, 10548), (2637, 8044), (3516, 6033), (4022, 5274)]