21344676

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 52819200

約数和(自身を除く): 31474524

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 179, 228, 358, 523, 537, 716, 1046, 1074, 1569, 2092, 2148, 3138, 3401, 6276, 6802, 9937, 10203, 13604, 19874, 20406, 29811, 39748, 40812, 59622, 93617, 119244, 187234, 280851, 374468, 561702, 1123404, 1778723, 3557446, 5336169, 7114892, 10672338, 21344676]

約数ペア:

[(1, 21344676), (2, 10672338), (3, 7114892), (4, 5336169), (6, 3557446), (12, 1778723), (19, 1123404), (38, 561702), (57, 374468), (76, 280851), (114, 187234), (179, 119244), (228, 93617), (358, 59622), (523, 40812), (537, 39748), (716, 29811), (1046, 20406), (1074, 19874), (1569, 13604), (2092, 10203), (2148, 9937), (3138, 6802), (3401, 6276)]