21563148

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{3449}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 50425200

約数和(自身を除く): 28862052

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3126, 3449, 6252, 6898, 10347, 13796, 20694, 41388, 1796929, 3593858, 5390787, 7187716, 10781574, 21563148]

約数ペア:

[(1, 21563148), (2, 10781574), (3, 7187716), (4, 5390787), (6, 3593858), (12, 1796929), (521, 41388), (1042, 20694), (1563, 13796), (2084, 10347), (3126, 6898), (3449, 6252)]