21587460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2833}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 60942336

約数和(自身を除く): 39354876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2833, 3810, 5666, 7620, 8499, 11332, 14165, 16998, 28330, 33996, 42495, 56660, 84990, 169980, 359791, 719582, 1079373, 1439164, 1798955, 2158746, 3597910, 4317492, 5396865, 7195820, 10793730, 21587460]

約数ペア:

[(1, 21587460), (2, 10793730), (3, 7195820), (4, 5396865), (5, 4317492), (6, 3597910), (10, 2158746), (12, 1798955), (15, 1439164), (20, 1079373), (30, 719582), (60, 359791), (127, 169980), (254, 84990), (381, 56660), (508, 42495), (635, 33996), (762, 28330), (1270, 16998), (1524, 14165), (1905, 11332), (2540, 8499), (2833, 7620), (3810, 5666)]