21063458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6379}}^1$

素因数の和:6521

約数の個数: 16

約数和(自身を含む): 34298880

約数和(自身を除く): 13235422

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6379, 12758, 82927, 165854, 810133, 1620266, 10531729, 21063458]

約数ペア:

[(1, 21063458), (2, 10531729), (13, 1620266), (26, 810133), (127, 165854), (254, 82927), (1651, 12758), (3302, 6379)]