21930370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 29909630

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 1499, 2090, 2926, 2998, 7315, 7495, 10493, 14630, 14990, 16489, 20986, 28481, 32978, 52465, 56962, 82445, 104930, 115423, 142405, 164890, 199367, 230846, 284810, 313291, 398734, 577115, 626582, 996835, 1154230, 1566455, 1993670, 2193037, 3132910, 4386074, 10965185, 21930370]

約数ペア:

[(1, 21930370), (2, 10965185), (5, 4386074), (7, 3132910), (10, 2193037), (11, 1993670), (14, 1566455), (19, 1154230), (22, 996835), (35, 626582), (38, 577115), (55, 398734), (70, 313291), (77, 284810), (95, 230846), (110, 199367), (133, 164890), (154, 142405), (190, 115423), (209, 104930), (266, 82445), (385, 56962), (418, 52465), (665, 32978), (770, 28481), (1045, 20986), (1330, 16489), (1463, 14990), (1499, 14630), (2090, 10493), (2926, 7495), (2998, 7315)]