21523040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1780

約数の個数: 96

約数和(自身を含む): 63431424

約数和(自身を除く): 41908384

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1747, 1760, 2464, 3080, 3494, 6160, 6988, 8735, 12229, 12320, 13976, 17470, 19217, 24458, 27952, 34940, 38434, 48916, 55904, 61145, 69880, 76868, 96085, 97832, 122290, 134519, 139760, 153736, 192170, 195664, 244580, 269038, 279520, 307472, 384340, 391328, 489160, 538076, 614944, 672595, 768680, 978320, 1076152, 1345190, 1537360, 1956640, 2152304, 2690380, 3074720, 4304608, 5380760, 10761520, 21523040]

約数ペア:

[(1, 21523040), (2, 10761520), (4, 5380760), (5, 4304608), (7, 3074720), (8, 2690380), (10, 2152304), (11, 1956640), (14, 1537360), (16, 1345190), (20, 1076152), (22, 978320), (28, 768680), (32, 672595), (35, 614944), (40, 538076), (44, 489160), (55, 391328), (56, 384340), (70, 307472), (77, 279520), (80, 269038), (88, 244580), (110, 195664), (112, 192170), (140, 153736), (154, 139760), (160, 134519), (176, 122290), (220, 97832), (224, 96085), (280, 76868), (308, 69880), (352, 61145), (385, 55904), (440, 48916), (560, 38434), (616, 34940), (770, 27952), (880, 24458), (1120, 19217), (1232, 17470), (1540, 13976), (1747, 12320), (1760, 12229), (2464, 8735), (3080, 6988), (3494, 6160)]