2021145273

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1688509}}^1$

素因数の和:1688541

約数の個数: 24

約数和(自身を含む): 3512100800

約数和(自身を除く): 1490955527

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1688509, 5065527, 11819563, 15196581, 32081671, 35458689, 96245013, 106376067, 224571697, 288735039, 673715091, 2021145273]

約数ペア:

[(1, 2021145273), (3, 673715091), (7, 288735039), (9, 224571697), (19, 106376067), (21, 96245013), (57, 35458689), (63, 32081671), (133, 15196581), (171, 11819563), (399, 5065527), (1197, 1688509)]