21447071503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{17981}}^1$

素因数の和:18463

約数の個数: 32

約数和(自身を含む): 26584588800

約数和(自身を除く): 5137517297

約数列:

[1, 11, 13, 19, 143, 209, 247, 439, 2717, 4829, 5707, 8341, 17981, 62777, 91751, 108433, 197791, 233753, 341639, 1192763, 2571283, 3758029, 4441307, 7893659, 48854377, 86830249, 102617567, 149979521, 1128793237, 1649774731, 1949733773, 21447071503]

約数ペア:

[(1, 21447071503), (11, 1949733773), (13, 1649774731), (19, 1128793237), (143, 149979521), (209, 102617567), (247, 86830249), (439, 48854377), (2717, 7893659), (4829, 4441307), (5707, 3758029), (8341, 2571283), (17981, 1192763), (62777, 341639), (91751, 233753), (108433, 197791)]