21425313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6037}}^1$

素因数の和:6073

約数の個数: 24

約数和(自身を含む): 35358528

約数和(自身を除く): 13933215

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 6037, 18111, 42259, 78481, 126777, 235443, 549367, 1020253, 1648101, 3060759, 7141771, 21425313]

約数ペア:

[(1, 21425313), (3, 7141771), (7, 3060759), (13, 1648101), (21, 1020253), (39, 549367), (91, 235443), (169, 126777), (273, 78481), (507, 42259), (1183, 18111), (3549, 6037)]