21071750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12041}}^1$

素因数の和:12065

約数の個数: 32

約数和(自身を含む): 45085248

約数和(自身を除く): 24013498

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12041, 24082, 60205, 84287, 120410, 168574, 301025, 421435, 602050, 842870, 1505125, 2107175, 3010250, 4214350, 10535875, 21071750]

約数ペア:

[(1, 21071750), (2, 10535875), (5, 4214350), (7, 3010250), (10, 2107175), (14, 1505125), (25, 842870), (35, 602050), (50, 421435), (70, 301025), (125, 168574), (175, 120410), (250, 84287), (350, 60205), (875, 24082), (1750, 12041)]