21661272

素因数分解:

$2^3\times 3^2\times {\mathrm{300851}}^1$

素因数の和:300863

約数の個数: 24

約数和(自身を含む): 58666140

約数和(自身を除く): 37004868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 300851, 601702, 902553, 1203404, 1805106, 2406808, 2707659, 3610212, 5415318, 7220424, 10830636, 21661272]

約数ペア:

[(1, 21661272), (2, 10830636), (3, 7220424), (4, 5415318), (6, 3610212), (8, 2707659), (9, 2406808), (12, 1805106), (18, 1203404), (24, 902553), (36, 601702), (72, 300851)]