21155050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{60443}}^1$

素因数の和:60462

約数の個数: 24

約数和(自身を含む): 44970336

約数和(自身を除く): 23815286

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 60443, 120886, 302215, 423101, 604430, 846202, 1511075, 2115505, 3022150, 4231010, 10577525, 21155050]

約数ペア:

[(1, 21155050), (2, 10577525), (5, 4231010), (7, 3022150), (10, 2115505), (14, 1511075), (25, 846202), (35, 604430), (50, 423101), (70, 302215), (175, 120886), (350, 60443)]