21865536004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{420491077}}^1$

素因数の和:420491094

約数の個数: 12

約数和(自身を含む): 41208125644

約数和(自身を除く): 19342589640

約数列:

[1, 2, 4, 13, 26, 52, 420491077, 840982154, 1681964308, 5466384001, 10932768002, 21865536004]

約数ペア:

[(1, 21865536004), (2, 10932768002), (4, 5466384001), (13, 1681964308), (26, 840982154), (52, 420491077)]