21661443648

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{4273}}^1$

素因数の和:4981

約数の個数: 168

約数和(自身を含む): 66979102008

約数和(自身を除く): 45317658360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 677, 832, 936, 1248, 1354, 1872, 2031, 2496, 2708, 3744, 4062, 4273, 5416, 6093, 7488, 8124, 8546, 8801, 10832, 12186, 12819, 16248, 17092, 17602, 21664, 24372, 25638, 26403, 32496, 34184, 35204, 38457, 43328, 48744, 51276, 52806, 55549, 64992, 68368, 70408, 76914, 79209, 97488, 102552, 105612, 111098, 129984, 136736, 140816, 153828, 158418, 166647, 194976, 205104, 211224, 222196, 273472, 281632, 307656, 316836, 333294, 389952, 410208, 422448, 444392, 499941, 563264, 615312, 633672, 666588, 820416, 844896, 888784, 999882, 1230624, 1267344, 1333176, 1689792, 1777568, 1999764, 2461248, 2534688, 2666352, 2892821, 3555136, 3999528, 5069376, 5332704, 5785642, 7999056, 8678463, 10665408, 11571284, 15998112, 17356926, 23142568, 26035389, 31996224, 34713852, 37606673, 46285136, 52070778, 69427704, 75213346, 92570272, 104141556, 112820019, 138855408, 150426692, 185140544, 208283112, 225640038, 277710816, 300853384, 338460057, 416566224, 451280076, 555421632, 601706768, 676920114, 833132448, 902560152, 1203413536, 1353840228, 1666264896, 1805120304, 2406827072, 2707680456, 3610240608, 5415360912, 7220481216, 10830721824, 21661443648]

約数ペア:

[(1, 21661443648), (2, 10830721824), (3, 7220481216), (4, 5415360912), (6, 3610240608), (8, 2707680456), (9, 2406827072), (12, 1805120304), (13, 1666264896), (16, 1353840228), (18, 1203413536), (24, 902560152), (26, 833132448), (32, 676920114), (36, 601706768), (39, 555421632), (48, 451280076), (52, 416566224), (64, 338460057), (72, 300853384), (78, 277710816), (96, 225640038), (104, 208283112), (117, 185140544), (144, 150426692), (156, 138855408), (192, 112820019), (208, 104141556), (234, 92570272), (288, 75213346), (312, 69427704), (416, 52070778), (468, 46285136), (576, 37606673), (624, 34713852), (677, 31996224), (832, 26035389), (936, 23142568), (1248, 17356926), (1354, 15998112), (1872, 11571284), (2031, 10665408), (2496, 8678463), (2708, 7999056), (3744, 5785642), (4062, 5332704), (4273, 5069376), (5416, 3999528), (6093, 3555136), (7488, 2892821), (8124, 2666352), (8546, 2534688), (8801, 2461248), (10832, 1999764), (12186, 1777568), (12819, 1689792), (16248, 1333176), (17092, 1267344), (17602, 1230624), (21664, 999882), (24372, 888784), (25638, 844896), (26403, 820416), (32496, 666588), (34184, 633672), (35204, 615312), (38457, 563264), (43328, 499941), (48744, 444392), (51276, 422448), (52806, 410208), (55549, 389952), (64992, 333294), (68368, 316836), (70408, 307656), (76914, 281632), (79209, 273472), (97488, 222196), (102552, 211224), (105612, 205104), (111098, 194976), (129984, 166647), (136736, 158418), (140816, 153828)]