21132049248

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{3517}}^1$

素因数の和:4237

約数の個数: 144

約数和(自身を含む): 62142627456

約数和(自身を除く): 41010578208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 673, 744, 992, 1116, 1346, 1488, 2019, 2232, 2692, 2976, 3517, 4038, 4464, 5384, 6057, 7034, 8076, 8928, 10551, 10768, 12114, 14068, 16152, 20863, 21102, 21536, 24228, 28136, 31653, 32304, 41726, 42204, 48456, 56272, 62589, 63306, 64608, 83452, 84408, 96912, 109027, 112544, 125178, 126612, 166904, 168816, 187767, 193824, 218054, 250356, 253224, 327081, 333808, 337632, 375534, 436108, 500712, 506448, 654162, 667616, 751068, 872216, 981243, 1001424, 1012896, 1308324, 1502136, 1744432, 1962486, 2002848, 2366941, 2616648, 3004272, 3488864, 3924972, 4733882, 5233296, 6008544, 7100823, 7849944, 9467764, 10466592, 14201646, 15699888, 18935528, 21302469, 28403292, 31399776, 37871056, 42604938, 56806584, 73375171, 75742112, 85209876, 113613168, 146750342, 170419752, 220125513, 227226336, 293500684, 340839504, 440251026, 587001368, 660376539, 681679008, 880502052, 1174002736, 1320753078, 1761004104, 2348005472, 2641506156, 3522008208, 5283012312, 7044016416, 10566024624, 21132049248]

約数ペア:

[(1, 21132049248), (2, 10566024624), (3, 7044016416), (4, 5283012312), (6, 3522008208), (8, 2641506156), (9, 2348005472), (12, 1761004104), (16, 1320753078), (18, 1174002736), (24, 880502052), (31, 681679008), (32, 660376539), (36, 587001368), (48, 440251026), (62, 340839504), (72, 293500684), (93, 227226336), (96, 220125513), (124, 170419752), (144, 146750342), (186, 113613168), (248, 85209876), (279, 75742112), (288, 73375171), (372, 56806584), (496, 42604938), (558, 37871056), (673, 31399776), (744, 28403292), (992, 21302469), (1116, 18935528), (1346, 15699888), (1488, 14201646), (2019, 10466592), (2232, 9467764), (2692, 7849944), (2976, 7100823), (3517, 6008544), (4038, 5233296), (4464, 4733882), (5384, 3924972), (6057, 3488864), (7034, 3004272), (8076, 2616648), (8928, 2366941), (10551, 2002848), (10768, 1962486), (12114, 1744432), (14068, 1502136), (16152, 1308324), (20863, 1012896), (21102, 1001424), (21536, 981243), (24228, 872216), (28136, 751068), (31653, 667616), (32304, 654162), (41726, 506448), (42204, 500712), (48456, 436108), (56272, 375534), (62589, 337632), (63306, 333808), (64608, 327081), (83452, 253224), (84408, 250356), (96912, 218054), (109027, 193824), (112544, 187767), (125178, 168816), (126612, 166904)]