21578436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1879}}^1$

素因数の和:1929

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 40010364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1879, 1914, 2871, 3758, 3828, 5637, 5742, 7516, 11274, 11484, 16911, 20669, 22548, 33822, 41338, 54491, 62007, 67644, 82676, 108982, 124014, 163473, 186021, 217964, 248028, 326946, 372042, 490419, 599401, 653892, 744084, 980838, 1198802, 1798203, 1961676, 2397604, 3596406, 5394609, 7192812, 10789218, 21578436]

約数ペア:

[(1, 21578436), (2, 10789218), (3, 7192812), (4, 5394609), (6, 3596406), (9, 2397604), (11, 1961676), (12, 1798203), (18, 1198802), (22, 980838), (29, 744084), (33, 653892), (36, 599401), (44, 490419), (58, 372042), (66, 326946), (87, 248028), (99, 217964), (116, 186021), (132, 163473), (174, 124014), (198, 108982), (261, 82676), (319, 67644), (348, 62007), (396, 54491), (522, 41338), (638, 33822), (957, 22548), (1044, 20669), (1276, 16911), (1879, 11484), (1914, 11274), (2871, 7516), (3758, 5742), (3828, 5637)]