21370291239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{490223}}^1$

素因数の和:491558

約数の個数: 16

約数和(自身を含む): 31107654144

約数和(自身を除く): 9737362905

約数列:

[1, 3, 11, 33, 1321, 3963, 14531, 43593, 490223, 1470669, 5392453, 16177359, 647584583, 1942753749, 7123430413, 21370291239]

約数ペア:

[(1, 21370291239), (3, 7123430413), (11, 1942753749), (33, 647584583), (1321, 16177359), (3963, 5392453), (14531, 1470669), (43593, 490223)]