21091345088

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{218681}}^1$

素因数の和:218841

約数の個数: 56

約数和(自身を含む): 45991448784

約数和(自身を除く): 24900103696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 137, 176, 274, 352, 548, 704, 1096, 1507, 2192, 3014, 4384, 6028, 8768, 12056, 24112, 48224, 96448, 218681, 437362, 874724, 1749448, 2405491, 3498896, 4810982, 6997792, 9621964, 13995584, 19243928, 29959297, 38487856, 59918594, 76975712, 119837188, 153951424, 239674376, 329552267, 479348752, 659104534, 958697504, 1318209068, 1917395008, 2636418136, 5272836272, 10545672544, 21091345088]

約数ペア:

[(1, 21091345088), (2, 10545672544), (4, 5272836272), (8, 2636418136), (11, 1917395008), (16, 1318209068), (22, 958697504), (32, 659104534), (44, 479348752), (64, 329552267), (88, 239674376), (137, 153951424), (176, 119837188), (274, 76975712), (352, 59918594), (548, 38487856), (704, 29959297), (1096, 19243928), (1507, 13995584), (2192, 9621964), (3014, 6997792), (4384, 4810982), (6028, 3498896), (8768, 2405491), (12056, 1749448), (24112, 874724), (48224, 437362), (96448, 218681)]