21903492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140407}}^1$

素因数の和:140427

約数の個数: 24

約数和(自身を含む): 55039936

約数和(自身を除く): 33136444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140407, 280814, 421221, 561628, 842442, 1684884, 1825291, 3650582, 5475873, 7301164, 10951746, 21903492]

約数ペア:

[(1, 21903492), (2, 10951746), (3, 7301164), (4, 5475873), (6, 3650582), (12, 1825291), (13, 1684884), (26, 842442), (39, 561628), (52, 421221), (78, 280814), (156, 140407)]