21496449770

素因数分解:

$2^1\times 5^1\times {\mathrm{7477}}^1\times {\mathrm{287501}}^1$

素因数の和:294985

約数の個数: 16

約数和(自身を含む): 38698919208

約数和(自身を除く): 17202469438

約数列:

[1, 2, 5, 10, 7477, 14954, 37385, 74770, 287501, 575002, 1437505, 2875010, 2149644977, 4299289954, 10748224885, 21496449770]

約数ペア:

[(1, 21496449770), (2, 10748224885), (5, 4299289954), (10, 2149644977), (7477, 2875010), (14954, 1437505), (37385, 575002), (74770, 287501)]