21774537

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 33718464

約数和(自身を除く): 11943927

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2843, 7659, 8529, 25587, 65389, 105191, 196167, 315573, 588501, 946719, 2419393, 7258179, 21774537]

約数ペア:

[(1, 21774537), (3, 7258179), (9, 2419393), (23, 946719), (37, 588501), (69, 315573), (111, 196167), (207, 105191), (333, 65389), (851, 25587), (2553, 8529), (2843, 7659)]