21372208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9341}}^1$

素因数の和:9373

約数の個数: 40

約数和(自身を含む): 48653136

約数和(自身を除く): 27280928

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9341, 18682, 37364, 74728, 102751, 121433, 149456, 205502, 242866, 411004, 485732, 822008, 971464, 1335763, 1644016, 1942928, 2671526, 5343052, 10686104, 21372208]

約数ペア:

[(1, 21372208), (2, 10686104), (4, 5343052), (8, 2671526), (11, 1942928), (13, 1644016), (16, 1335763), (22, 971464), (26, 822008), (44, 485732), (52, 411004), (88, 242866), (104, 205502), (143, 149456), (176, 121433), (208, 102751), (286, 74728), (572, 37364), (1144, 18682), (2288, 9341)]