21642273

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 33415200

約数和(自身を除く): 11772927

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1889, 3819, 5667, 11457, 17001, 35891, 107673, 126563, 323019, 379689, 1139067, 2404697, 7214091, 21642273]

約数ペア:

[(1, 21642273), (3, 7214091), (9, 2404697), (19, 1139067), (57, 379689), (67, 323019), (171, 126563), (201, 107673), (603, 35891), (1273, 17001), (1889, 11457), (3819, 5667)]