21109274

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14141926

約数列:

[1, 2, 17, 29, 34, 58, 79, 158, 271, 493, 542, 986, 1343, 2291, 2686, 4582, 4607, 7859, 9214, 15718, 21409, 38947, 42818, 77894, 133603, 267206, 363953, 620861, 727906, 1241722, 10554637, 21109274]

約数ペア:

[(1, 21109274), (2, 10554637), (17, 1241722), (29, 727906), (34, 620861), (58, 363953), (79, 267206), (158, 133603), (271, 77894), (493, 42818), (542, 38947), (986, 21409), (1343, 15718), (2291, 9214), (2686, 7859), (4582, 4607)]