21267085

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 31905792

約数和(自身を除く): 10638707

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1153, 2635, 3689, 5765, 8071, 18445, 19601, 35743, 40355, 98005, 137207, 178715, 250201, 607631, 686035, 1251005, 3038155, 4253417, 21267085]

約数ペア:

[(1, 21267085), (5, 4253417), (7, 3038155), (17, 1251005), (31, 686035), (35, 607631), (85, 250201), (119, 178715), (155, 137207), (217, 98005), (527, 40355), (595, 35743), (1085, 19601), (1153, 18445), (2635, 8071), (3689, 5765)]