21429562

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 41401152

約数和(自身を除く): 19971590

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 103, 154, 193, 206, 386, 539, 721, 1078, 1133, 1351, 1442, 2123, 2266, 2702, 4246, 5047, 7931, 9457, 10094, 14861, 15862, 18914, 19879, 29722, 39758, 55517, 104027, 111034, 139153, 208054, 218669, 278306, 437338, 974071, 1530683, 1948142, 3061366, 10714781, 21429562]

約数ペア:

[(1, 21429562), (2, 10714781), (7, 3061366), (11, 1948142), (14, 1530683), (22, 974071), (49, 437338), (77, 278306), (98, 218669), (103, 208054), (154, 139153), (193, 111034), (206, 104027), (386, 55517), (539, 39758), (721, 29722), (1078, 19879), (1133, 18914), (1351, 15862), (1442, 14861), (2123, 10094), (2266, 9457), (2702, 7931), (4246, 5047)]