21841508812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{321198659}}^1$

素因数の和:321198680

約数の個数: 12

約数和(自身を含む): 40471031160

約数和(自身を除く): 18629522348

約数列:

[1, 2, 4, 17, 34, 68, 321198659, 642397318, 1284794636, 5460377203, 10920754406, 21841508812]

約数ペア:

[(1, 21841508812), (2, 10920754406), (4, 5460377203), (17, 1284794636), (34, 642397318), (68, 321198659)]