21742552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209063}}^1$

素因数の和:209082

約数の個数: 16

約数和(自身を含む): 43903440

約数和(自身を除く): 22160888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209063, 418126, 836252, 1672504, 2717819, 5435638, 10871276, 21742552]

約数ペア:

[(1, 21742552), (2, 10871276), (4, 5435638), (8, 2717819), (13, 1672504), (26, 836252), (52, 418126), (104, 209063)]