21092880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87887}}^1$

素因数の和:87903

約数の個数: 40

約数和(自身を含む): 65388672

約数和(自身を除く): 44295792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87887, 175774, 263661, 351548, 439435, 527322, 703096, 878870, 1054644, 1318305, 1406192, 1757740, 2109288, 2636610, 3515480, 4218576, 5273220, 7030960, 10546440, 21092880]

約数ペア:

[(1, 21092880), (2, 10546440), (3, 7030960), (4, 5273220), (5, 4218576), (6, 3515480), (8, 2636610), (10, 2109288), (12, 1757740), (15, 1406192), (16, 1318305), (20, 1054644), (24, 878870), (30, 703096), (40, 527322), (48, 439435), (60, 351548), (80, 263661), (120, 175774), (240, 87887)]