21291174

素因数分解:

$2^1\times 3^6\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:896

約数の個数: 56

約数和(自身を含む): 50758920

約数和(自身を除く): 29467746

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 729, 859, 918, 1377, 1458, 1718, 2577, 2754, 4131, 5154, 7731, 8262, 12393, 14603, 15462, 23193, 24786, 29206, 43809, 46386, 69579, 87618, 131427, 139158, 208737, 262854, 394281, 417474, 626211, 788562, 1182843, 1252422, 2365686, 3548529, 7097058, 10645587, 21291174]

約数ペア:

[(1, 21291174), (2, 10645587), (3, 7097058), (6, 3548529), (9, 2365686), (17, 1252422), (18, 1182843), (27, 788562), (34, 626211), (51, 417474), (54, 394281), (81, 262854), (102, 208737), (153, 139158), (162, 131427), (243, 87618), (306, 69579), (459, 46386), (486, 43809), (729, 29206), (859, 24786), (918, 23193), (1377, 15462), (1458, 14603), (1718, 12393), (2577, 8262), (2754, 7731), (4131, 5154)]