21547860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1823}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 39125676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1823, 1970, 2364, 2955, 3646, 3940, 5469, 5910, 7292, 9115, 10938, 11820, 18230, 21876, 27345, 36460, 54690, 109380, 359131, 718262, 1077393, 1436524, 1795655, 2154786, 3591310, 4309572, 5386965, 7182620, 10773930, 21547860]

約数ペア:

[(1, 21547860), (2, 10773930), (3, 7182620), (4, 5386965), (5, 4309572), (6, 3591310), (10, 2154786), (12, 1795655), (15, 1436524), (20, 1077393), (30, 718262), (60, 359131), (197, 109380), (394, 54690), (591, 36460), (788, 27345), (985, 21876), (1182, 18230), (1823, 11820), (1970, 10938), (2364, 9115), (2955, 7292), (3646, 5910), (3940, 5469)]