21568505088

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{3191}}^1$

素因数の和:3900

約数の個数: 144

約数和(自身を含む): 61930060416

約数和(自身を除く): 40361555328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 677, 768, 832, 1248, 1354, 1664, 2031, 2496, 2708, 3191, 3328, 4062, 4992, 5416, 6382, 8124, 8801, 9573, 9984, 10832, 12764, 16248, 17602, 19146, 21664, 25528, 26403, 32496, 35204, 38292, 41483, 43328, 51056, 52806, 64992, 70408, 76584, 82966, 86656, 102112, 105612, 124449, 129984, 140816, 153168, 165932, 173312, 204224, 211224, 248898, 259968, 281632, 306336, 331864, 408448, 422448, 497796, 519936, 563264, 612672, 663728, 816896, 844896, 995592, 1126528, 1225344, 1327456, 1689792, 1991184, 2160307, 2253056, 2450688, 2654912, 3379584, 3982368, 4320614, 5309824, 6480921, 6759168, 7964736, 8641228, 10619648, 12961842, 15929472, 17282456, 25923684, 28083991, 31858944, 34564912, 51847368, 56167982, 69129824, 84251973, 103694736, 112335964, 138259648, 168503946, 207389472, 224671928, 276519296, 337007892, 414778944, 449343856, 553038592, 674015784, 829557888, 898687712, 1348031568, 1659115776, 1797375424, 2696063136, 3594750848, 5392126272, 7189501696, 10784252544, 21568505088]

約数ペア:

[(1, 21568505088), (2, 10784252544), (3, 7189501696), (4, 5392126272), (6, 3594750848), (8, 2696063136), (12, 1797375424), (13, 1659115776), (16, 1348031568), (24, 898687712), (26, 829557888), (32, 674015784), (39, 553038592), (48, 449343856), (52, 414778944), (64, 337007892), (78, 276519296), (96, 224671928), (104, 207389472), (128, 168503946), (156, 138259648), (192, 112335964), (208, 103694736), (256, 84251973), (312, 69129824), (384, 56167982), (416, 51847368), (624, 34564912), (677, 31858944), (768, 28083991), (832, 25923684), (1248, 17282456), (1354, 15929472), (1664, 12961842), (2031, 10619648), (2496, 8641228), (2708, 7964736), (3191, 6759168), (3328, 6480921), (4062, 5309824), (4992, 4320614), (5416, 3982368), (6382, 3379584), (8124, 2654912), (8801, 2450688), (9573, 2253056), (9984, 2160307), (10832, 1991184), (12764, 1689792), (16248, 1327456), (17602, 1225344), (19146, 1126528), (21664, 995592), (25528, 844896), (26403, 816896), (32496, 663728), (35204, 612672), (38292, 563264), (41483, 519936), (43328, 497796), (51056, 422448), (52806, 408448), (64992, 331864), (70408, 306336), (76584, 281632), (82966, 259968), (86656, 248898), (102112, 211224), (105612, 204224), (124449, 173312), (129984, 165932), (140816, 153168)]