21370362

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273979}}^1$

素因数の和:273997

約数の個数: 16

約数和(自身を含む): 46028640

約数和(自身を除く): 24658278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273979, 547958, 821937, 1643874, 3561727, 7123454, 10685181, 21370362]

約数ペア:

[(1, 21370362), (2, 10685181), (3, 7123454), (6, 3561727), (13, 1643874), (26, 821937), (39, 547958), (78, 273979)]