21414015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 42788928

約数和(自身を除く): 21374913

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 315, 433, 471, 785, 1099, 1299, 1413, 2165, 2355, 3031, 3297, 3897, 5495, 6495, 7065, 9093, 9891, 15155, 16485, 19485, 27279, 45465, 49455, 67981, 136395, 203943, 339905, 475867, 611829, 1019715, 1427601, 2379335, 3059145, 4282803, 7138005, 21414015]

約数ペア:

[(1, 21414015), (3, 7138005), (5, 4282803), (7, 3059145), (9, 2379335), (15, 1427601), (21, 1019715), (35, 611829), (45, 475867), (63, 339905), (105, 203943), (157, 136395), (315, 67981), (433, 49455), (471, 45465), (785, 27279), (1099, 19485), (1299, 16485), (1413, 15155), (2165, 9891), (2355, 9093), (3031, 7065), (3297, 6495), (3897, 5495)]