21594165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 38517120

約数和(自身を除く): 16922955

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4457, 4845, 13371, 22285, 66855, 75769, 84683, 227307, 254049, 378845, 423415, 1136535, 1270245, 1439611, 4318833, 7198055, 21594165]

約数ペア:

[(1, 21594165), (3, 7198055), (5, 4318833), (15, 1439611), (17, 1270245), (19, 1136535), (51, 423415), (57, 378845), (85, 254049), (95, 227307), (255, 84683), (285, 75769), (323, 66855), (969, 22285), (1615, 13371), (4457, 4845)]