21303278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7549}}^1$

素因数の和:7651

約数の個数: 16

約数和(自身を含む): 34246800

約数和(自身を除く): 12943522

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7549, 15098, 128333, 256666, 626567, 1253134, 10651639, 21303278]

約数ペア:

[(1, 21303278), (2, 10651639), (17, 1253134), (34, 626567), (83, 256666), (166, 128333), (1411, 15098), (2822, 7549)]