21582386

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^2$

素因数の和:486

約数の個数: 24

約数和(自身を含む): 38363904

約数和(自身を除く): 16781518

約数列:

[1, 2, 7, 14, 31, 62, 217, 223, 434, 446, 1561, 3122, 6913, 13826, 48391, 49729, 96782, 99458, 348103, 696206, 1541599, 3083198, 10791193, 21582386]

約数ペア:

[(1, 21582386), (2, 10791193), (7, 3083198), (14, 1541599), (31, 696206), (62, 348103), (217, 99458), (223, 96782), (434, 49729), (446, 48391), (1561, 13826), (3122, 6913)]