21099378

素因数分解:

$2^1\times 3^1\times {\mathrm{631}}^1\times {\mathrm{5573}}^1$

素因数の和:6209

約数の個数: 16

約数和(自身を含む): 42273216

約数和(自身を除く): 21173838

約数列:

[1, 2, 3, 6, 631, 1262, 1893, 3786, 5573, 11146, 16719, 33438, 3516563, 7033126, 10549689, 21099378]

約数ペア:

[(1, 21099378), (2, 10549689), (3, 7033126), (6, 3516563), (631, 33438), (1262, 16719), (1893, 11146), (3786, 5573)]