21007320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175061}}^1$

素因数の和:175075

約数の個数: 32

約数和(自身を含む): 63022320

約数和(自身を除く): 42015000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175061, 350122, 525183, 700244, 875305, 1050366, 1400488, 1750610, 2100732, 2625915, 3501220, 4201464, 5251830, 7002440, 10503660, 21007320]

約数ペア:

[(1, 21007320), (2, 10503660), (3, 7002440), (4, 5251830), (5, 4201464), (6, 3501220), (8, 2625915), (10, 2100732), (12, 1750610), (15, 1400488), (20, 1050366), (24, 875305), (30, 700244), (40, 525183), (60, 350122), (120, 175061)]