21473580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1129}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 60369120

約数和(自身を除く): 38895540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1129, 1268, 1585, 1902, 2258, 3170, 3387, 3804, 4516, 4755, 5645, 6340, 6774, 9510, 11290, 13548, 16935, 19020, 22580, 33870, 67740, 357893, 715786, 1073679, 1431572, 1789465, 2147358, 3578930, 4294716, 5368395, 7157860, 10736790, 21473580]

約数ペア:

[(1, 21473580), (2, 10736790), (3, 7157860), (4, 5368395), (5, 4294716), (6, 3578930), (10, 2147358), (12, 1789465), (15, 1431572), (20, 1073679), (30, 715786), (60, 357893), (317, 67740), (634, 33870), (951, 22580), (1129, 19020), (1268, 16935), (1585, 13548), (1902, 11290), (2258, 9510), (3170, 6774), (3387, 6340), (3804, 5645), (4516, 4755)]