21083926384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{69355021}}^1$

素因数の和:69355048

約数の個数: 20

約数和(自身を含む): 43000113640

約数和(自身を除く): 21916187256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 69355021, 138710042, 277420084, 554840168, 1109680336, 1317745399, 2635490798, 5270981596, 10541963192, 21083926384]

約数ペア:

[(1, 21083926384), (2, 10541963192), (4, 5270981596), (8, 2635490798), (16, 1317745399), (19, 1109680336), (38, 554840168), (76, 277420084), (152, 138710042), (304, 69355021)]