21085048

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20753}}^1$

素因数の和:20886

約数の個数: 16

約数和(自身を含む): 39847680

約数和(自身を除く): 18762632

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20753, 41506, 83012, 166024, 2635631, 5271262, 10542524, 21085048]

約数ペア:

[(1, 21085048), (2, 10542524), (4, 5271262), (8, 2635631), (127, 166024), (254, 83012), (508, 41506), (1016, 20753)]