21587268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 53789120

約数和(自身を除く): 32201852

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1297, 1387, 2594, 2774, 3891, 4161, 5188, 5548, 7782, 8322, 15564, 16644, 24643, 49286, 73929, 94681, 98572, 147858, 189362, 284043, 295716, 378724, 568086, 1136172, 1798939, 3597878, 5396817, 7195756, 10793634, 21587268]

約数ペア:

[(1, 21587268), (2, 10793634), (3, 7195756), (4, 5396817), (6, 3597878), (12, 1798939), (19, 1136172), (38, 568086), (57, 378724), (73, 295716), (76, 284043), (114, 189362), (146, 147858), (219, 98572), (228, 94681), (292, 73929), (438, 49286), (876, 24643), (1297, 16644), (1387, 15564), (2594, 8322), (2774, 7782), (3891, 5548), (4161, 5188)]