21164280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176369}}^1$

素因数の和:176383

約数の個数: 32

約数和(自身を含む): 63493200

約数和(自身を除く): 42328920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176369, 352738, 529107, 705476, 881845, 1058214, 1410952, 1763690, 2116428, 2645535, 3527380, 4232856, 5291070, 7054760, 10582140, 21164280]

約数ペア:

[(1, 21164280), (2, 10582140), (3, 7054760), (4, 5291070), (5, 4232856), (6, 3527380), (8, 2645535), (10, 2116428), (12, 1763690), (15, 1410952), (20, 1058214), (24, 881845), (30, 705476), (40, 529107), (60, 352738), (120, 176369)]