21150828

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 57881600

約数和(自身を除く): 36730772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 67, 74, 79, 108, 111, 134, 148, 158, 201, 222, 237, 268, 316, 333, 402, 444, 474, 603, 666, 711, 804, 948, 999, 1206, 1332, 1422, 1809, 1998, 2133, 2412, 2479, 2844, 2923, 3618, 3996, 4266, 4958, 5293, 5846, 7236, 7437, 8532, 8769, 9916, 10586, 11692, 14874, 15879, 17538, 21172, 22311, 26307, 29748, 31758, 35076, 44622, 47637, 52614, 63516, 66933, 78921, 89244, 95274, 105228, 133866, 142911, 157842, 190548, 195841, 267732, 285822, 315684, 391682, 571644, 587523, 783364, 1175046, 1762569, 2350092, 3525138, 5287707, 7050276, 10575414, 21150828]

約数ペア:

[(1, 21150828), (2, 10575414), (3, 7050276), (4, 5287707), (6, 3525138), (9, 2350092), (12, 1762569), (18, 1175046), (27, 783364), (36, 587523), (37, 571644), (54, 391682), (67, 315684), (74, 285822), (79, 267732), (108, 195841), (111, 190548), (134, 157842), (148, 142911), (158, 133866), (201, 105228), (222, 95274), (237, 89244), (268, 78921), (316, 66933), (333, 63516), (402, 52614), (444, 47637), (474, 44622), (603, 35076), (666, 31758), (711, 29748), (804, 26307), (948, 22311), (999, 21172), (1206, 17538), (1332, 15879), (1422, 14874), (1809, 11692), (1998, 10586), (2133, 9916), (2412, 8769), (2479, 8532), (2844, 7437), (2923, 7236), (3618, 5846), (3996, 5293), (4266, 4958)]