21870268

素因数分解:

$2^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:722

約数の個数: 36

約数和(自身を含む): 44802912

約数和(自身を除く): 22932644

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 241, 463, 482, 926, 964, 1687, 1852, 3241, 3374, 6482, 6748, 11809, 12964, 22687, 23618, 45374, 47236, 90748, 111583, 223166, 446332, 781081, 1562162, 3124324, 5467567, 10935134, 21870268]

約数ペア:

[(1, 21870268), (2, 10935134), (4, 5467567), (7, 3124324), (14, 1562162), (28, 781081), (49, 446332), (98, 223166), (196, 111583), (241, 90748), (463, 47236), (482, 45374), (926, 23618), (964, 22687), (1687, 12964), (1852, 11809), (3241, 6748), (3374, 6482)]