21052434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27210606

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 41, 58, 78, 82, 87, 123, 174, 227, 246, 377, 454, 533, 681, 754, 1066, 1131, 1189, 1362, 1599, 2262, 2378, 2951, 3198, 3567, 5902, 6583, 7134, 8853, 9307, 13166, 15457, 17706, 18614, 19749, 27921, 30914, 39498, 46371, 55842, 85579, 92742, 120991, 171158, 241982, 256737, 269903, 362973, 513474, 539806, 725946, 809709, 1619418, 3508739, 7017478, 10526217, 21052434]

約数ペア:

[(1, 21052434), (2, 10526217), (3, 7017478), (6, 3508739), (13, 1619418), (26, 809709), (29, 725946), (39, 539806), (41, 513474), (58, 362973), (78, 269903), (82, 256737), (87, 241982), (123, 171158), (174, 120991), (227, 92742), (246, 85579), (377, 55842), (454, 46371), (533, 39498), (681, 30914), (754, 27921), (1066, 19749), (1131, 18614), (1189, 17706), (1362, 15457), (1599, 13166), (2262, 9307), (2378, 8853), (2951, 7134), (3198, 6583), (3567, 5902)]