421765340

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{84017}}^1$

素因数の和:84277

約数の個数: 24

約数和(自身を含む): 889246512

約数和(自身を除く): 467481172

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 84017, 168034, 336068, 420085, 840170, 1680340, 21088267, 42176534, 84353068, 105441335, 210882670, 421765340]

約数ペア:

[(1, 421765340), (2, 210882670), (4, 105441335), (5, 84353068), (10, 42176534), (20, 21088267), (251, 1680340), (502, 840170), (1004, 420085), (1255, 336068), (2510, 168034), (5020, 84017)]