21000742566

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4788131}}^1$

素因数の和:4788196

約数の個数: 32

約数和(自身を含む): 45506406528

約数和(自身を除く): 24505663962

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4788131, 9576262, 14364393, 28728786, 81398227, 162796454, 205889633, 244194681, 411779266, 488389362, 617668899, 1235337798, 3500123761, 7000247522, 10500371283, 21000742566]

約数ペア:

[(1, 21000742566), (2, 10500371283), (3, 7000247522), (6, 3500123761), (17, 1235337798), (34, 617668899), (43, 488389362), (51, 411779266), (86, 244194681), (102, 205889633), (129, 162796454), (258, 81398227), (731, 28728786), (1462, 14364393), (2193, 9576262), (4386, 4788131)]