21008832

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 63154560

約数和(自身を除く): 42145728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 443, 456, 494, 608, 624, 741, 832, 886, 912, 988, 1216, 1248, 1329, 1482, 1772, 1824, 1976, 2496, 2658, 2964, 3544, 3648, 3952, 5316, 5759, 5928, 7088, 7904, 8417, 10632, 11518, 11856, 14176, 15808, 16834, 17277, 21264, 23036, 23712, 25251, 28352, 33668, 34554, 42528, 46072, 47424, 50502, 67336, 69108, 85056, 92144, 101004, 109421, 134672, 138216, 184288, 202008, 218842, 269344, 276432, 328263, 368576, 404016, 437684, 538688, 552864, 656526, 808032, 875368, 1105728, 1313052, 1616064, 1750736, 2626104, 3501472, 5252208, 7002944, 10504416, 21008832]

約数ペア:

[(1, 21008832), (2, 10504416), (3, 7002944), (4, 5252208), (6, 3501472), (8, 2626104), (12, 1750736), (13, 1616064), (16, 1313052), (19, 1105728), (24, 875368), (26, 808032), (32, 656526), (38, 552864), (39, 538688), (48, 437684), (52, 404016), (57, 368576), (64, 328263), (76, 276432), (78, 269344), (96, 218842), (104, 202008), (114, 184288), (152, 138216), (156, 134672), (192, 109421), (208, 101004), (228, 92144), (247, 85056), (304, 69108), (312, 67336), (416, 50502), (443, 47424), (456, 46072), (494, 42528), (608, 34554), (624, 33668), (741, 28352), (832, 25251), (886, 23712), (912, 23036), (988, 21264), (1216, 17277), (1248, 16834), (1329, 15808), (1482, 14176), (1772, 11856), (1824, 11518), (1976, 10632), (2496, 8417), (2658, 7904), (2964, 7088), (3544, 5928), (3648, 5759), (3952, 5316)]