21441300579

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{853}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 31781917440

約数和(自身を除く): 10340616861

約数列:

[1, 3, 9, 71, 139, 213, 283, 417, 639, 849, 853, 1251, 2547, 2559, 7677, 9869, 20093, 29607, 39337, 60279, 60563, 88821, 118011, 118567, 180837, 181689, 241399, 354033, 355701, 545067, 724197, 1067103, 2172591, 2792927, 8378781, 8418257, 17139329, 25136343, 25254771, 33554461, 51417987, 75764313, 100663383, 154253961, 301990149, 2382366731, 7147100193, 21441300579]

約数ペア:

[(1, 21441300579), (3, 7147100193), (9, 2382366731), (71, 301990149), (139, 154253961), (213, 100663383), (283, 75764313), (417, 51417987), (639, 33554461), (849, 25254771), (853, 25136343), (1251, 17139329), (2547, 8418257), (2559, 8378781), (7677, 2792927), (9869, 2172591), (20093, 1067103), (29607, 724197), (39337, 545067), (60279, 355701), (60563, 354033), (88821, 241399), (118011, 181689), (118567, 180837)]