21181008

素因数分解:

$2^4\times 3^1\times {\mathrm{241}}^1\times {\mathrm{1831}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 54974656

約数和(自身を除く): 33793648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 241, 482, 723, 964, 1446, 1831, 1928, 2892, 3662, 3856, 5493, 5784, 7324, 10986, 11568, 14648, 21972, 29296, 43944, 87888, 441271, 882542, 1323813, 1765084, 2647626, 3530168, 5295252, 7060336, 10590504, 21181008]

約数ペア:

[(1, 21181008), (2, 10590504), (3, 7060336), (4, 5295252), (6, 3530168), (8, 2647626), (12, 1765084), (16, 1323813), (24, 882542), (48, 441271), (241, 87888), (482, 43944), (723, 29296), (964, 21972), (1446, 14648), (1831, 11568), (1928, 10986), (2892, 7324), (3662, 5784), (3856, 5493)]