21331330295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{72889}}^1$

素因数の和:73235

約数の個数: 32

約数和(自身を含む): 29662148160

約数和(自身を除く): 8330817865

約数列:

[1, 5, 11, 17, 55, 85, 187, 313, 935, 1565, 3443, 5321, 17215, 26605, 58531, 72889, 292655, 364445, 801779, 1239113, 4008895, 6195565, 13630243, 22814257, 68151215, 114071285, 250956827, 387842369, 1254784135, 1939211845, 4266266059, 21331330295]

約数ペア:

[(1, 21331330295), (5, 4266266059), (11, 1939211845), (17, 1254784135), (55, 387842369), (85, 250956827), (187, 114071285), (313, 68151215), (935, 22814257), (1565, 13630243), (3443, 6195565), (5321, 4008895), (17215, 1239113), (26605, 801779), (58531, 364445), (72889, 292655)]