21630616

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9421}}^1$

素因数の和:9475

約数の個数: 32

約数和(自身を含む): 47486880

約数和(自身を除く): 25856264

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9421, 18842, 37684, 65947, 75368, 131894, 263788, 386261, 527576, 772522, 1545044, 2703827, 3090088, 5407654, 10815308, 21630616]

約数ペア:

[(1, 21630616), (2, 10815308), (4, 5407654), (7, 3090088), (8, 2703827), (14, 1545044), (28, 772522), (41, 527576), (56, 386261), (82, 263788), (164, 131894), (287, 75368), (328, 65947), (574, 37684), (1148, 18842), (2296, 9421)]