21243027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5393}}^1$

素因数の和:5510

約数の個数: 16

約数和(自身を含む): 30810528

約数和(自身を除く): 9567501

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5393, 16179, 70109, 210327, 544693, 1634079, 7081009, 21243027]

約数ペア:

[(1, 21243027), (3, 7081009), (13, 1634079), (39, 544693), (101, 210327), (303, 70109), (1313, 16179), (3939, 5393)]