21294462

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 50955264

約数和(自身を除く): 29660802

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 193, 213, 222, 259, 386, 426, 497, 518, 579, 777, 994, 1158, 1351, 1491, 1554, 2627, 2702, 2982, 4053, 5254, 7141, 7881, 8106, 13703, 14282, 15762, 18389, 21423, 27406, 36778, 41109, 42846, 49987, 55167, 82218, 95921, 99974, 110334, 149961, 191842, 287763, 299922, 507011, 575526, 1014022, 1521033, 3042066, 3549077, 7098154, 10647231, 21294462]

約数ペア:

[(1, 21294462), (2, 10647231), (3, 7098154), (6, 3549077), (7, 3042066), (14, 1521033), (21, 1014022), (37, 575526), (42, 507011), (71, 299922), (74, 287763), (111, 191842), (142, 149961), (193, 110334), (213, 99974), (222, 95921), (259, 82218), (386, 55167), (426, 49987), (497, 42846), (518, 41109), (579, 36778), (777, 27406), (994, 21423), (1158, 18389), (1351, 15762), (1491, 14282), (1554, 13703), (2627, 8106), (2702, 7881), (2982, 7141), (4053, 5254)]