13821430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 29442096

約数和(自身を除く): 15620666

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 421, 469, 490, 670, 842, 938, 2105, 2345, 2947, 3283, 4210, 4690, 5894, 6566, 14735, 16415, 20629, 28207, 29470, 32830, 41258, 56414, 103145, 141035, 197449, 206290, 282070, 394898, 987245, 1382143, 1974490, 2764286, 6910715, 13821430]

約数ペア:

[(1, 13821430), (2, 6910715), (5, 2764286), (7, 1974490), (10, 1382143), (14, 987245), (35, 394898), (49, 282070), (67, 206290), (70, 197449), (98, 141035), (134, 103145), (245, 56414), (335, 41258), (421, 32830), (469, 29470), (490, 28207), (670, 20629), (842, 16415), (938, 14735), (2105, 6566), (2345, 5894), (2947, 4690), (3283, 4210)]