21010827

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21683}}^1$

素因数の和:21722

約数の個数: 16

約数和(自身を含む): 31224960

約数和(自身を除く): 10214133

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21683, 65049, 368611, 411977, 1105833, 1235931, 7003609, 21010827]

約数ペア:

[(1, 21010827), (3, 7003609), (17, 1235931), (19, 1105833), (51, 411977), (57, 368611), (323, 65049), (969, 21683)]