21898812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 55358240

約数和(自身を除く): 33459428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 229, 458, 613, 687, 916, 1226, 1374, 1839, 2452, 2748, 2977, 3678, 5954, 7356, 7969, 8931, 11908, 15938, 17862, 23907, 31876, 35724, 47814, 95628, 140377, 280754, 421131, 561508, 842262, 1684524, 1824901, 3649802, 5474703, 7299604, 10949406, 21898812]

約数ペア:

[(1, 21898812), (2, 10949406), (3, 7299604), (4, 5474703), (6, 3649802), (12, 1824901), (13, 1684524), (26, 842262), (39, 561508), (52, 421131), (78, 280754), (156, 140377), (229, 95628), (458, 47814), (613, 35724), (687, 31876), (916, 23907), (1226, 17862), (1374, 15938), (1839, 11908), (2452, 8931), (2748, 7969), (2977, 7356), (3678, 5954)]