21735441

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26539}}^1$

素因数の和:26565

約数の個数: 24

約数和(自身を含む): 38642240

約数和(自身を除く): 16906799

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26539, 79617, 185773, 238851, 345007, 557319, 1035021, 1671957, 2415049, 3105063, 7245147, 21735441]

約数ペア:

[(1, 21735441), (3, 7245147), (7, 3105063), (9, 2415049), (13, 1671957), (21, 1035021), (39, 557319), (63, 345007), (91, 238851), (117, 185773), (273, 79617), (819, 26539)]