21867632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71933}}^1$

素因数の和:71960

約数の個数: 20

約数和(自身を含む): 44599080

約数和(自身を除く): 22731448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71933, 143866, 287732, 575464, 1150928, 1366727, 2733454, 5466908, 10933816, 21867632]

約数ペア:

[(1, 21867632), (2, 10933816), (4, 5466908), (8, 2733454), (16, 1366727), (19, 1150928), (38, 575464), (76, 287732), (152, 143866), (304, 71933)]