21617204

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 43464960

約数和(自身を除く): 21847756

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3919, 5516, 7838, 15676, 27433, 54866, 109732, 772043, 1544086, 3088172, 5404301, 10808602, 21617204]

約数ペア:

[(1, 21617204), (2, 10808602), (4, 5404301), (7, 3088172), (14, 1544086), (28, 772043), (197, 109732), (394, 54866), (788, 27433), (1379, 15676), (2758, 7838), (3919, 5516)]