21122981726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3707087}}^1$

素因数の和:3707144

約数の個数: 32

約数和(自身を含む): 40570371072

約数和(自身を除く): 19447389346

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 5698, 3707087, 7414174, 25949609, 40777957, 51899218, 81555914, 137162219, 274324438, 285445699, 570891398, 960135533, 1508784409, 1920271066, 3017568818, 10561490863, 21122981726]

約数ペア:

[(1, 21122981726), (2, 10561490863), (7, 3017568818), (11, 1920271066), (14, 1508784409), (22, 960135533), (37, 570891398), (74, 285445699), (77, 274324438), (154, 137162219), (259, 81555914), (407, 51899218), (518, 40777957), (814, 25949609), (2849, 7414174), (5698, 3707087)]