21035647555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{460349}}^1$

素因数の和:460423

約数の個数: 32

約数和(自身を含む): 29388744000

約数和(自身を除く): 8353096445

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 2405, 3515, 9139, 45695, 460349, 2301745, 5984537, 8746631, 17032913, 29922685, 43733155, 85164565, 113706203, 221427869, 323625347, 568531015, 1107139345, 1618126735, 4207129511, 21035647555]

約数ペア:

[(1, 21035647555), (5, 4207129511), (13, 1618126735), (19, 1107139345), (37, 568531015), (65, 323625347), (95, 221427869), (185, 113706203), (247, 85164565), (481, 43733155), (703, 29922685), (1235, 17032913), (2405, 8746631), (3515, 5984537), (9139, 2301745), (45695, 460349)]