21029064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 42837816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 43, 56, 71, 82, 84, 86, 123, 129, 142, 164, 168, 172, 213, 246, 258, 284, 287, 301, 328, 344, 426, 492, 497, 516, 568, 574, 602, 852, 861, 903, 984, 994, 1032, 1148, 1204, 1491, 1704, 1722, 1763, 1806, 1988, 2296, 2408, 2911, 2982, 3053, 3444, 3526, 3612, 3976, 5289, 5822, 5964, 6106, 6888, 7052, 7224, 8733, 9159, 10578, 11644, 11928, 12212, 12341, 14104, 17466, 18318, 20377, 21156, 21371, 23288, 24424, 24682, 34932, 36636, 37023, 40754, 42312, 42742, 49364, 61131, 64113, 69864, 73272, 74046, 81508, 85484, 98728, 122262, 125173, 128226, 148092, 163016, 170968, 244524, 250346, 256452, 296184, 375519, 489048, 500692, 512904, 751038, 876211, 1001384, 1502076, 1752422, 2628633, 3004152, 3504844, 5257266, 7009688, 10514532, 21029064]

約数ペア:

[(1, 21029064), (2, 10514532), (3, 7009688), (4, 5257266), (6, 3504844), (7, 3004152), (8, 2628633), (12, 1752422), (14, 1502076), (21, 1001384), (24, 876211), (28, 751038), (41, 512904), (42, 500692), (43, 489048), (56, 375519), (71, 296184), (82, 256452), (84, 250346), (86, 244524), (123, 170968), (129, 163016), (142, 148092), (164, 128226), (168, 125173), (172, 122262), (213, 98728), (246, 85484), (258, 81508), (284, 74046), (287, 73272), (301, 69864), (328, 64113), (344, 61131), (426, 49364), (492, 42742), (497, 42312), (516, 40754), (568, 37023), (574, 36636), (602, 34932), (852, 24682), (861, 24424), (903, 23288), (984, 21371), (994, 21156), (1032, 20377), (1148, 18318), (1204, 17466), (1491, 14104), (1704, 12341), (1722, 12212), (1763, 11928), (1806, 11644), (1988, 10578), (2296, 9159), (2408, 8733), (2911, 7224), (2982, 7052), (3053, 6888), (3444, 6106), (3526, 5964), (3612, 5822), (3976, 5289)]