21249648

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7027}}^1$

素因数の和:7051

約数の個数: 80

約数和(自身を含む): 69717760

約数和(自身を除く): 48468112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7027, 14054, 21081, 28108, 42162, 49189, 56216, 63243, 84324, 98378, 112432, 126486, 147567, 168648, 189729, 196756, 252972, 295134, 337296, 379458, 393512, 442701, 505944, 590268, 758916, 787024, 885402, 1011888, 1180536, 1328103, 1517832, 1770804, 2361072, 2656206, 3035664, 3541608, 5312412, 7083216, 10624824, 21249648]

約数ペア:

[(1, 21249648), (2, 10624824), (3, 7083216), (4, 5312412), (6, 3541608), (7, 3035664), (8, 2656206), (9, 2361072), (12, 1770804), (14, 1517832), (16, 1328103), (18, 1180536), (21, 1011888), (24, 885402), (27, 787024), (28, 758916), (36, 590268), (42, 505944), (48, 442701), (54, 393512), (56, 379458), (63, 337296), (72, 295134), (84, 252972), (108, 196756), (112, 189729), (126, 168648), (144, 147567), (168, 126486), (189, 112432), (216, 98378), (252, 84324), (336, 63243), (378, 56216), (432, 49189), (504, 42162), (756, 28108), (1008, 21081), (1512, 14054), (3024, 7027)]