21732501

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 13039467

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 587, 861, 903, 1761, 1763, 4109, 5289, 12327, 12341, 24067, 25241, 37023, 72201, 75723, 168469, 176687, 505407, 530061, 1034881, 3104643, 7244167, 21732501]

約数ペア:

[(1, 21732501), (3, 7244167), (7, 3104643), (21, 1034881), (41, 530061), (43, 505407), (123, 176687), (129, 168469), (287, 75723), (301, 72201), (587, 37023), (861, 25241), (903, 24067), (1761, 12341), (1763, 12327), (4109, 5289)]