21109163608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1\times {\mathrm{2017}}^1$

素因数の和:3116

約数の個数: 64

約数和(自身を含む): 43103511360

約数和(自身を除く): 21994347752

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 977, 1339, 1954, 2017, 2678, 3908, 4034, 5356, 7816, 8068, 10712, 12701, 16136, 25402, 26221, 50804, 52442, 100631, 101608, 104884, 201262, 207751, 209768, 402524, 415502, 805048, 831004, 1308203, 1662008, 1970609, 2616406, 2700763, 3941218, 5232812, 5401526, 7882436, 10465624, 10803052, 15764872, 21606104, 25617917, 51235834, 102471668, 202972727, 204943336, 405945454, 811890908, 1623781816, 2638645451, 5277290902, 10554581804, 21109163608]

約数ペア:

[(1, 21109163608), (2, 10554581804), (4, 5277290902), (8, 2638645451), (13, 1623781816), (26, 811890908), (52, 405945454), (103, 204943336), (104, 202972727), (206, 102471668), (412, 51235834), (824, 25617917), (977, 21606104), (1339, 15764872), (1954, 10803052), (2017, 10465624), (2678, 7882436), (3908, 5401526), (4034, 5232812), (5356, 3941218), (7816, 2700763), (8068, 2616406), (10712, 1970609), (12701, 1662008), (16136, 1308203), (25402, 831004), (26221, 805048), (50804, 415502), (52442, 402524), (100631, 209768), (101608, 207751), (104884, 201262)]