21489166

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1$

素因数の和:1067

約数の個数: 16

約数和(自身を含む): 33149088

約数和(自身を除く): 11659922

約数列:

[1, 2, 41, 82, 503, 521, 1006, 1042, 20623, 21361, 41246, 42722, 262063, 524126, 10744583, 21489166]

約数ペア:

[(1, 21489166), (2, 10744583), (41, 524126), (82, 262063), (503, 42722), (521, 41246), (1006, 21361), (1042, 20623)]