21317426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13441}}^1$

素因数の和:13517

約数の個数: 16

約数和(自身を含む): 35002968

約数和(自身を除く): 13685542

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 13441, 26882, 174733, 349466, 819901, 1639802, 10658713, 21317426]

約数ペア:

[(1, 21317426), (2, 10658713), (13, 1639802), (26, 819901), (61, 349466), (122, 174733), (793, 26882), (1586, 13441)]