21713340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45346884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 167, 197, 220, 330, 334, 394, 501, 591, 660, 668, 788, 835, 985, 1002, 1182, 1670, 1837, 1970, 2004, 2167, 2364, 2505, 2955, 3340, 3674, 3940, 4334, 5010, 5511, 5910, 6501, 7348, 8668, 9185, 10020, 10835, 11022, 11820, 13002, 18370, 21670, 22044, 26004, 27555, 32505, 32899, 36740, 43340, 55110, 65010, 65798, 98697, 110220, 130020, 131596, 164495, 197394, 328990, 361889, 394788, 493485, 657980, 723778, 986970, 1085667, 1447556, 1809445, 1973940, 2171334, 3618890, 4342668, 5428335, 7237780, 10856670, 21713340]

約数ペア:

[(1, 21713340), (2, 10856670), (3, 7237780), (4, 5428335), (5, 4342668), (6, 3618890), (10, 2171334), (11, 1973940), (12, 1809445), (15, 1447556), (20, 1085667), (22, 986970), (30, 723778), (33, 657980), (44, 493485), (55, 394788), (60, 361889), (66, 328990), (110, 197394), (132, 164495), (165, 131596), (167, 130020), (197, 110220), (220, 98697), (330, 65798), (334, 65010), (394, 55110), (501, 43340), (591, 36740), (660, 32899), (668, 32505), (788, 27555), (835, 26004), (985, 22044), (1002, 21670), (1182, 18370), (1670, 13002), (1837, 11820), (1970, 11022), (2004, 10835), (2167, 10020), (2364, 9185), (2505, 8668), (2955, 7348), (3340, 6501), (3674, 5910), (3940, 5511), (4334, 5010)]