21675290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23819}}^1$

素因数の和:23846

約数の個数: 32

約数和(自身を含む): 48021120

約数和(自身を除く): 26345830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23819, 47638, 119095, 166733, 238190, 309647, 333466, 619294, 833665, 1548235, 1667330, 2167529, 3096470, 4335058, 10837645, 21675290]

約数ペア:

[(1, 21675290), (2, 10837645), (5, 4335058), (7, 3096470), (10, 2167529), (13, 1667330), (14, 1548235), (26, 833665), (35, 619294), (65, 333466), (70, 309647), (91, 238190), (130, 166733), (182, 119095), (455, 47638), (910, 23819)]