21406578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9883}}^1$

素因数の和:9926

約数の個数: 24

約数和(自身を含む): 45189648

約数和(自身を除く): 23783070

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9883, 19766, 29649, 59298, 187777, 375554, 563331, 1126662, 3567763, 7135526, 10703289, 21406578]

約数ペア:

[(1, 21406578), (2, 10703289), (3, 7135526), (6, 3567763), (19, 1126662), (38, 563331), (57, 375554), (114, 187777), (361, 59298), (722, 29649), (1083, 19766), (2166, 9883)]