21742750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 20377250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2999, 3625, 5998, 7250, 14995, 29990, 74975, 86971, 149950, 173942, 374875, 434855, 749750, 869710, 2174275, 4348550, 10871375, 21742750]

約数ペア:

[(1, 21742750), (2, 10871375), (5, 4348550), (10, 2174275), (25, 869710), (29, 749750), (50, 434855), (58, 374875), (125, 173942), (145, 149950), (250, 86971), (290, 74975), (725, 29990), (1450, 14995), (2999, 7250), (3625, 5998)]