21587104

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8761}}^1$

素因数の和:8789

約数の個数: 48

約数和(自身を含む): 52992576

約数和(自身を除く): 31405472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8761, 17522, 35044, 61327, 70088, 96371, 122654, 140176, 192742, 245308, 280352, 385484, 490616, 674597, 770968, 981232, 1349194, 1541936, 1962464, 2698388, 3083872, 5396776, 10793552, 21587104]

約数ペア:

[(1, 21587104), (2, 10793552), (4, 5396776), (7, 3083872), (8, 2698388), (11, 1962464), (14, 1541936), (16, 1349194), (22, 981232), (28, 770968), (32, 674597), (44, 490616), (56, 385484), (77, 280352), (88, 245308), (112, 192742), (154, 140176), (176, 122654), (224, 96371), (308, 70088), (352, 61327), (616, 35044), (1232, 17522), (2464, 8761)]