21755145

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{14081}}^1$

素因数の和:14192

約数の個数: 16

約数和(自身を含む): 35148672

約数和(自身を除く): 13393527

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 14081, 42243, 70405, 211215, 1450343, 4351029, 7251715, 21755145]

約数ペア:

[(1, 21755145), (3, 7251715), (5, 4351029), (15, 1450343), (103, 211215), (309, 70405), (515, 42243), (1545, 14081)]