21000519342

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{4457}}^1$

素因数の和:4978

約数の個数: 96

約数和(自身を含む): 50698159200

約数和(自身を除く): 29697639858

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 159, 198, 318, 449, 477, 583, 898, 954, 1166, 1347, 1749, 2694, 3498, 4041, 4457, 4939, 5247, 8082, 8914, 9878, 10494, 13371, 14817, 23797, 26742, 29634, 40113, 44451, 47594, 49027, 71391, 80226, 88902, 98054, 142782, 147081, 214173, 236221, 261767, 294162, 428346, 441243, 472442, 523534, 708663, 785301, 882486, 1417326, 1570602, 2001193, 2125989, 2355903, 2598431, 4002386, 4251978, 4711806, 5196862, 6003579, 7795293, 12007158, 15590586, 18010737, 22013123, 23385879, 36021474, 44026246, 46771758, 66039369, 106063229, 132078738, 198118107, 212126458, 318189687, 396236214, 636379374, 954569061, 1166695519, 1909138122, 2333391038, 3500086557, 7000173114, 10500259671, 21000519342]

約数ペア:

[(1, 21000519342), (2, 10500259671), (3, 7000173114), (6, 3500086557), (9, 2333391038), (11, 1909138122), (18, 1166695519), (22, 954569061), (33, 636379374), (53, 396236214), (66, 318189687), (99, 212126458), (106, 198118107), (159, 132078738), (198, 106063229), (318, 66039369), (449, 46771758), (477, 44026246), (583, 36021474), (898, 23385879), (954, 22013123), (1166, 18010737), (1347, 15590586), (1749, 12007158), (2694, 7795293), (3498, 6003579), (4041, 5196862), (4457, 4711806), (4939, 4251978), (5247, 4002386), (8082, 2598431), (8914, 2355903), (9878, 2125989), (10494, 2001193), (13371, 1570602), (14817, 1417326), (23797, 882486), (26742, 785301), (29634, 708663), (40113, 523534), (44451, 472442), (47594, 441243), (49027, 428346), (71391, 294162), (80226, 261767), (88902, 236221), (98054, 214173), (142782, 147081)]