21691624

素因数分解:

$2^3\times {\mathrm{41}}^2\times {\mathrm{1613}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 41713830

約数和(自身を除く): 20022206

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1613, 1681, 3226, 3362, 6452, 6724, 12904, 13448, 66133, 132266, 264532, 529064, 2711453, 5422906, 10845812, 21691624]

約数ペア:

[(1, 21691624), (2, 10845812), (4, 5422906), (8, 2711453), (41, 529064), (82, 264532), (164, 132266), (328, 66133), (1613, 13448), (1681, 12904), (3226, 6724), (3362, 6452)]