21551049

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4723}}^1$

素因数の和:4758

約数の個数: 24

約数和(自身を含む): 34579680

約数和(自身を除く): 13028631

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4723, 14169, 42507, 61399, 127521, 184197, 552591, 798187, 1657773, 2394561, 7183683, 21551049]

約数ペア:

[(1, 21551049), (3, 7183683), (9, 2394561), (13, 1657773), (27, 798187), (39, 552591), (117, 184197), (169, 127521), (351, 61399), (507, 42507), (1521, 14169), (4563, 4723)]