21091832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155087}}^1$

素因数の和:155110

約数の個数: 16

約数和(自身を含む): 41873760

約数和(自身を除く): 20781928

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155087, 310174, 620348, 1240696, 2636479, 5272958, 10545916, 21091832]

約数ペア:

[(1, 21091832), (2, 10545916), (4, 5272958), (8, 2636479), (17, 1240696), (34, 620348), (68, 310174), (136, 155087)]