21324160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 60147360

約数和(自身を除く): 38823200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 233, 260, 286, 320, 352, 416, 440, 466, 520, 572, 640, 704, 715, 832, 880, 932, 1040, 1144, 1165, 1408, 1430, 1664, 1760, 1864, 2080, 2288, 2330, 2563, 2860, 3029, 3520, 3728, 4160, 4576, 4660, 5126, 5720, 6058, 7040, 7456, 8320, 9152, 9320, 10252, 11440, 12116, 12815, 14912, 15145, 18304, 18640, 20504, 22880, 24232, 25630, 29824, 30290, 33319, 37280, 41008, 45760, 48464, 51260, 60580, 66638, 74560, 82016, 91520, 96928, 102520, 121160, 133276, 149120, 164032, 166595, 193856, 205040, 242320, 266552, 328064, 333190, 387712, 410080, 484640, 533104, 666380, 820160, 969280, 1066208, 1332760, 1640320, 1938560, 2132416, 2665520, 4264832, 5331040, 10662080, 21324160]

約数ペア:

[(1, 21324160), (2, 10662080), (4, 5331040), (5, 4264832), (8, 2665520), (10, 2132416), (11, 1938560), (13, 1640320), (16, 1332760), (20, 1066208), (22, 969280), (26, 820160), (32, 666380), (40, 533104), (44, 484640), (52, 410080), (55, 387712), (64, 333190), (65, 328064), (80, 266552), (88, 242320), (104, 205040), (110, 193856), (128, 166595), (130, 164032), (143, 149120), (160, 133276), (176, 121160), (208, 102520), (220, 96928), (233, 91520), (260, 82016), (286, 74560), (320, 66638), (352, 60580), (416, 51260), (440, 48464), (466, 45760), (520, 41008), (572, 37280), (640, 33319), (704, 30290), (715, 29824), (832, 25630), (880, 24232), (932, 22880), (1040, 20504), (1144, 18640), (1165, 18304), (1408, 15145), (1430, 14912), (1664, 12815), (1760, 12116), (1864, 11440), (2080, 10252), (2288, 9320), (2330, 9152), (2563, 8320), (2860, 7456), (3029, 7040), (3520, 6058), (3728, 5720), (4160, 5126), (4576, 4660)]