21583081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 25029648

約数和(自身を除く): 3446567

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1601, 13481, 20813, 27217, 97661, 353821, 1269593, 1660237, 21583081]

約数ペア:

[(1, 21583081), (13, 1660237), (17, 1269593), (61, 353821), (221, 97661), (793, 27217), (1037, 20813), (1601, 13481)]