21949803

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 32619600

約数和(自身を除く): 10669797

約数列:

[1, 3, 9, 67, 89, 201, 267, 409, 603, 801, 1227, 3681, 5963, 17889, 27403, 36401, 53667, 82209, 109203, 246627, 327609, 2438867, 7316601, 21949803]

約数ペア:

[(1, 21949803), (3, 7316601), (9, 2438867), (67, 327609), (89, 246627), (201, 109203), (267, 82209), (409, 53667), (603, 36401), (801, 27403), (1227, 17889), (3681, 5963)]