21837088

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7529

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 31082912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7499, 14998, 29996, 52493, 59992, 97487, 104986, 119984, 194974, 209972, 239968, 389948, 419944, 682409, 779896, 839888, 1364818, 1559792, 1679776, 2729636, 3119584, 5459272, 10918544, 21837088]

約数ペア:

[(1, 21837088), (2, 10918544), (4, 5459272), (7, 3119584), (8, 2729636), (13, 1679776), (14, 1559792), (16, 1364818), (26, 839888), (28, 779896), (32, 682409), (52, 419944), (56, 389948), (91, 239968), (104, 209972), (112, 194974), (182, 119984), (208, 104986), (224, 97487), (364, 59992), (416, 52493), (728, 29996), (1456, 14998), (2912, 7499)]