21480074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 40597632

約数和(自身を除く): 19117558

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1381, 1414, 2222, 2762, 7777, 9667, 15191, 15554, 19334, 30382, 106337, 139481, 212674, 278962, 976367, 1534291, 1952734, 3068582, 10740037, 21480074]

約数ペア:

[(1, 21480074), (2, 10740037), (7, 3068582), (11, 1952734), (14, 1534291), (22, 976367), (77, 278962), (101, 212674), (154, 139481), (202, 106337), (707, 30382), (1111, 19334), (1381, 15554), (1414, 15191), (2222, 9667), (2762, 7777)]