21418814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6791}}^1$

素因数の和:6895

約数の個数: 16

約数和(自身を含む): 34231680

約数和(自身を除く): 12812866

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6791, 13582, 129029, 258058, 563653, 1127306, 10709407, 21418814]

約数ペア:

[(1, 21418814), (2, 10709407), (19, 1127306), (38, 563653), (83, 258058), (166, 129029), (1577, 13582), (3154, 6791)]