21744590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2749}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 45144000

約数和(自身を除く): 23399410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2749, 3955, 5498, 7910, 13745, 19243, 27490, 38486, 96215, 192430, 310637, 621274, 1553185, 2174459, 3106370, 4348918, 10872295, 21744590]

約数ペア:

[(1, 21744590), (2, 10872295), (5, 4348918), (7, 3106370), (10, 2174459), (14, 1553185), (35, 621274), (70, 310637), (113, 192430), (226, 96215), (565, 38486), (791, 27490), (1130, 19243), (1582, 13745), (2749, 7910), (3955, 5498)]