21753051

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 8083749

約数列:

[1, 3, 71, 73, 213, 219, 1399, 4197, 5183, 15549, 99329, 102127, 297987, 306381, 7251017, 21753051]

約数ペア:

[(1, 21753051), (3, 7251017), (71, 306381), (73, 297987), (213, 102127), (219, 99329), (1399, 15549), (4197, 5183)]