21494935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 33214464

約数和(自身を除く): 11719529

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 1801, 2387, 9005, 11935, 12607, 19811, 55831, 63035, 99055, 138677, 279155, 390817, 614141, 693385, 1954085, 3070705, 4298987, 21494935]

約数ペア:

[(1, 21494935), (5, 4298987), (7, 3070705), (11, 1954085), (31, 693385), (35, 614141), (55, 390817), (77, 279155), (155, 138677), (217, 99055), (341, 63035), (385, 55831), (1085, 19811), (1705, 12607), (1801, 11935), (2387, 9005)]