21004737

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1699}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 30273600

約数和(自身を除く): 9268863

約数列:

[1, 3, 13, 39, 317, 951, 1699, 4121, 5097, 12363, 22087, 66261, 538583, 1615749, 7001579, 21004737]

約数ペア:

[(1, 21004737), (3, 7001579), (13, 1615749), (39, 538583), (317, 66261), (951, 22087), (1699, 12363), (4121, 5097)]