21504232

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5281}}^1$

素因数の和:5796

約数の個数: 16

約数和(自身を含む): 40407300

約数和(自身を除く): 18903068

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5281, 10562, 21124, 42248, 2688029, 5376058, 10752116, 21504232]

約数ペア:

[(1, 21504232), (2, 10752116), (4, 5376058), (8, 2688029), (509, 42248), (1018, 21124), (2036, 10562), (4072, 5281)]