21000979308

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102945977}}^1$

素因数の和:102946001

約数の個数: 24

約数和(自身を含む): 51884772912

約数和(自身を除く): 30883793604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102945977, 205891954, 308837931, 411783908, 617675862, 1235351724, 1750081609, 3500163218, 5250244827, 7000326436, 10500489654, 21000979308]

約数ペア:

[(1, 21000979308), (2, 10500489654), (3, 7000326436), (4, 5250244827), (6, 3500163218), (12, 1750081609), (17, 1235351724), (34, 617675862), (51, 411783908), (68, 308837931), (102, 205891954), (204, 102945977)]