21711976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18979}}^1$

素因数の和:19009

約数の個数: 32

約数和(自身を含む): 47829600

約数和(自身を除く): 26117624

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18979, 37958, 75916, 151832, 208769, 246727, 417538, 493454, 835076, 986908, 1670152, 1973816, 2713997, 5427994, 10855988, 21711976]

約数ペア:

[(1, 21711976), (2, 10855988), (4, 5427994), (8, 2713997), (11, 1973816), (13, 1670152), (22, 986908), (26, 835076), (44, 493454), (52, 417538), (88, 246727), (104, 208769), (143, 151832), (286, 75916), (572, 37958), (1144, 18979)]