21004242168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181459}}^1$

素因数の和:181541

約数の個数: 128

約数和(自身を含む): 65848204800

約数和(自身を除く): 44843962632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 53, 56, 78, 84, 91, 104, 106, 156, 159, 168, 182, 212, 273, 312, 318, 364, 371, 424, 546, 636, 689, 728, 742, 1092, 1113, 1272, 1378, 1484, 2067, 2184, 2226, 2756, 2968, 4134, 4452, 4823, 5512, 8268, 8904, 9646, 14469, 16536, 19292, 28938, 38584, 57876, 115752, 181459, 362918, 544377, 725836, 1088754, 1270213, 1451672, 2177508, 2358967, 2540426, 3810639, 4355016, 4717934, 5080852, 7076901, 7621278, 9435868, 9617327, 10161704, 14153802, 15242556, 16512769, 18871736, 19234654, 28307604, 28851981, 30485112, 33025538, 38469308, 49538307, 56615208, 57703962, 66051076, 67321289, 76938616, 99076614, 115407924, 125025251, 132102152, 134642578, 198153228, 201963867, 230815848, 250050502, 269285156, 375075753, 396306456, 403927734, 500101004, 538570312, 750151506, 807855468, 875176757, 1000202008, 1500303012, 1615710936, 1750353514, 2625530271, 3000606024, 3500707028, 5251060542, 7001414056, 10502121084, 21004242168]

約数ペア:

[(1, 21004242168), (2, 10502121084), (3, 7001414056), (4, 5251060542), (6, 3500707028), (7, 3000606024), (8, 2625530271), (12, 1750353514), (13, 1615710936), (14, 1500303012), (21, 1000202008), (24, 875176757), (26, 807855468), (28, 750151506), (39, 538570312), (42, 500101004), (52, 403927734), (53, 396306456), (56, 375075753), (78, 269285156), (84, 250050502), (91, 230815848), (104, 201963867), (106, 198153228), (156, 134642578), (159, 132102152), (168, 125025251), (182, 115407924), (212, 99076614), (273, 76938616), (312, 67321289), (318, 66051076), (364, 57703962), (371, 56615208), (424, 49538307), (546, 38469308), (636, 33025538), (689, 30485112), (728, 28851981), (742, 28307604), (1092, 19234654), (1113, 18871736), (1272, 16512769), (1378, 15242556), (1484, 14153802), (2067, 10161704), (2184, 9617327), (2226, 9435868), (2756, 7621278), (2968, 7076901), (4134, 5080852), (4452, 4717934), (4823, 4355016), (5512, 3810639), (8268, 2540426), (8904, 2358967), (9646, 2177508), (14469, 1451672), (16536, 1270213), (19292, 1088754), (28938, 725836), (38584, 544377), (57876, 362918), (115752, 181459)]