21455666

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7603}}^1$

素因数の和:7705

約数の個数: 16

約数和(自身を含む): 34491744

約数和(自身を除く): 13036078

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7603, 15206, 129251, 258502, 631049, 1262098, 10727833, 21455666]

約数ペア:

[(1, 21455666), (2, 10727833), (17, 1262098), (34, 631049), (83, 258502), (166, 129251), (1411, 15206), (2822, 7603)]