21240934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 39132720

約数和(自身を除く): 17891786

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 169, 197, 286, 319, 338, 377, 394, 638, 754, 1859, 2167, 2561, 3718, 4147, 4334, 4901, 5122, 5713, 8294, 9802, 11426, 28171, 33293, 53911, 56342, 62843, 66586, 74269, 107822, 125686, 148538, 366223, 732446, 816959, 965497, 1633918, 1930994, 10620467, 21240934]

約数ペア:

[(1, 21240934), (2, 10620467), (11, 1930994), (13, 1633918), (22, 965497), (26, 816959), (29, 732446), (58, 366223), (143, 148538), (169, 125686), (197, 107822), (286, 74269), (319, 66586), (338, 62843), (377, 56342), (394, 53911), (638, 33293), (754, 28171), (1859, 11426), (2167, 9802), (2561, 8294), (3718, 5713), (4147, 5122), (4334, 4901)]