21075250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12043}}^1$

素因数の和:12067

約数の個数: 32

約数和(自身を含む): 45092736

約数和(自身を除く): 24017486

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12043, 24086, 60215, 84301, 120430, 168602, 301075, 421505, 602150, 843010, 1505375, 2107525, 3010750, 4215050, 10537625, 21075250]

約数ペア:

[(1, 21075250), (2, 10537625), (5, 4215050), (7, 3010750), (10, 2107525), (14, 1505375), (25, 843010), (35, 602150), (50, 421505), (70, 301075), (125, 168602), (175, 120430), (250, 84301), (350, 60215), (875, 24086), (1750, 12043)]