21030960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87629}}^1$

素因数の和:87645

約数の個数: 40

約数和(自身を含む): 65196720

約数和(自身を除く): 44165760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87629, 175258, 262887, 350516, 438145, 525774, 701032, 876290, 1051548, 1314435, 1402064, 1752580, 2103096, 2628870, 3505160, 4206192, 5257740, 7010320, 10515480, 21030960]

約数ペア:

[(1, 21030960), (2, 10515480), (3, 7010320), (4, 5257740), (5, 4206192), (6, 3505160), (8, 2628870), (10, 2103096), (12, 1752580), (15, 1402064), (16, 1314435), (20, 1051548), (24, 876290), (30, 701032), (40, 525774), (48, 438145), (60, 350516), (80, 262887), (120, 175258), (240, 87629)]