21970788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{261557}}^1$

素因数の和:261571

約数の個数: 24

約数和(自身を含む): 58588992

約数和(自身を除く): 36618204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 261557, 523114, 784671, 1046228, 1569342, 1830899, 3138684, 3661798, 5492697, 7323596, 10985394, 21970788]

約数ペア:

[(1, 21970788), (2, 10985394), (3, 7323596), (4, 5492697), (6, 3661798), (7, 3138684), (12, 1830899), (14, 1569342), (21, 1046228), (28, 784671), (42, 523114), (84, 261557)]