21946288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15073}}^1$

素因数の和:15101

約数の個数: 40

約数和(自身を含む): 52336928

約数和(自身を除く): 30390640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 15073, 30146, 60292, 105511, 120584, 195949, 211022, 241168, 391898, 422044, 783796, 844088, 1371643, 1567592, 1688176, 2743286, 3135184, 5486572, 10973144, 21946288]

約数ペア:

[(1, 21946288), (2, 10973144), (4, 5486572), (7, 3135184), (8, 2743286), (13, 1688176), (14, 1567592), (16, 1371643), (26, 844088), (28, 783796), (52, 422044), (56, 391898), (91, 241168), (104, 211022), (112, 195949), (182, 120584), (208, 105511), (364, 60292), (728, 30146), (1456, 15073)]