21153804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251831}}^1$

素因数の和:251845

約数の個数: 24

約数和(自身を含む): 56410368

約数和(自身を除く): 35256564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251831, 503662, 755493, 1007324, 1510986, 1762817, 3021972, 3525634, 5288451, 7051268, 10576902, 21153804]

約数ペア:

[(1, 21153804), (2, 10576902), (3, 7051268), (4, 5288451), (6, 3525634), (7, 3021972), (12, 1762817), (14, 1510986), (21, 1007324), (28, 755493), (42, 503662), (84, 251831)]