21094750985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7919}}^1$

素因数の和:8007

約数の個数: 96

約数和(自身を含む): 34583915520

約数和(自身を除く): 13489164535

約数列:

[1, 5, 7, 11, 17, 35, 37, 55, 77, 85, 119, 121, 185, 187, 259, 385, 407, 595, 605, 629, 847, 935, 1295, 1309, 2035, 2057, 2849, 3145, 4235, 4403, 4477, 6545, 6919, 7919, 10285, 14245, 14399, 22015, 22385, 31339, 34595, 39595, 48433, 55433, 71995, 76109, 87109, 134623, 156695, 242165, 277165, 293003, 380545, 435545, 532763, 609763, 673115, 942361, 958199, 1465015, 1480853, 2051021, 2663815, 3048815, 3223033, 4711805, 4790995, 4981051, 6707393, 7404265, 10255105, 10365971, 16115165, 16289383, 22561231, 24905255, 33536965, 34867357, 35453363, 51829855, 54791561, 81446915, 112806155, 114025681, 174336785, 177266815, 248173541, 273957805, 383540927, 570128405, 602707171, 1240867705, 1917704635, 3013535855, 4218950197, 21094750985]

約数ペア:

[(1, 21094750985), (5, 4218950197), (7, 3013535855), (11, 1917704635), (17, 1240867705), (35, 602707171), (37, 570128405), (55, 383540927), (77, 273957805), (85, 248173541), (119, 177266815), (121, 174336785), (185, 114025681), (187, 112806155), (259, 81446915), (385, 54791561), (407, 51829855), (595, 35453363), (605, 34867357), (629, 33536965), (847, 24905255), (935, 22561231), (1295, 16289383), (1309, 16115165), (2035, 10365971), (2057, 10255105), (2849, 7404265), (3145, 6707393), (4235, 4981051), (4403, 4790995), (4477, 4711805), (6545, 3223033), (6919, 3048815), (7919, 2663815), (10285, 2051021), (14245, 1480853), (14399, 1465015), (22015, 958199), (22385, 942361), (31339, 673115), (34595, 609763), (39595, 532763), (48433, 435545), (55433, 380545), (71995, 293003), (76109, 277165), (87109, 242165), (134623, 156695)]