21167477485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{7457}}^1$

素因数の和:7654

約数の個数: 64

約数和(自身を含む): 32424758784

約数和(自身を除く): 11257281299

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 101, 365, 385, 505, 511, 707, 803, 1111, 2555, 3535, 4015, 5555, 5621, 7373, 7457, 7777, 28105, 36865, 37285, 38885, 51611, 52199, 81103, 82027, 258055, 260995, 405515, 410135, 544361, 567721, 574189, 753157, 2721805, 2838605, 2870945, 3765785, 3810527, 5272099, 5987971, 8284727, 19052635, 26360495, 29939855, 41423635, 41915797, 54980461, 57993089, 209578985, 274902305, 289965445, 384863227, 604785071, 1924316135, 3023925355, 4233495497, 21167477485]

約数ペア:

[(1, 21167477485), (5, 4233495497), (7, 3023925355), (11, 1924316135), (35, 604785071), (55, 384863227), (73, 289965445), (77, 274902305), (101, 209578985), (365, 57993089), (385, 54980461), (505, 41915797), (511, 41423635), (707, 29939855), (803, 26360495), (1111, 19052635), (2555, 8284727), (3535, 5987971), (4015, 5272099), (5555, 3810527), (5621, 3765785), (7373, 2870945), (7457, 2838605), (7777, 2721805), (28105, 753157), (36865, 574189), (37285, 567721), (38885, 544361), (51611, 410135), (52199, 405515), (81103, 260995), (82027, 258055)]