21562212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2399}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 36498588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2399, 2996, 4494, 4798, 7197, 8988, 9596, 14394, 16793, 28788, 33586, 50379, 67172, 100758, 201516, 256693, 513386, 770079, 1026772, 1540158, 1796851, 3080316, 3593702, 5390553, 7187404, 10781106, 21562212]

約数ペア:

[(1, 21562212), (2, 10781106), (3, 7187404), (4, 5390553), (6, 3593702), (7, 3080316), (12, 1796851), (14, 1540158), (21, 1026772), (28, 770079), (42, 513386), (84, 256693), (107, 201516), (214, 100758), (321, 67172), (428, 50379), (642, 33586), (749, 28788), (1284, 16793), (1498, 14394), (2247, 9596), (2399, 8988), (2996, 7197), (4494, 4798)]