21404100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71347}}^1$

素因数の和:71364

約数の個数: 36

約数和(自身を含む): 61930064

約数和(自身を除く): 40525964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 71347, 142694, 214041, 285388, 356735, 428082, 713470, 856164, 1070205, 1426940, 1783675, 2140410, 3567350, 4280820, 5351025, 7134700, 10702050, 21404100]

約数ペア:

[(1, 21404100), (2, 10702050), (3, 7134700), (4, 5351025), (5, 4280820), (6, 3567350), (10, 2140410), (12, 1783675), (15, 1426940), (20, 1070205), (25, 856164), (30, 713470), (50, 428082), (60, 356735), (75, 285388), (100, 214041), (150, 142694), (300, 71347)]