21219336

素因数分解:

$2^3\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1543}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 57807360

約数和(自身を除く): 36588024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 191, 382, 573, 764, 1146, 1528, 1543, 1719, 2292, 3086, 3438, 4584, 4629, 6172, 6876, 9258, 12344, 13752, 13887, 18516, 27774, 37032, 55548, 111096, 294713, 589426, 884139, 1178852, 1768278, 2357704, 2652417, 3536556, 5304834, 7073112, 10609668, 21219336]

約数ペア:

[(1, 21219336), (2, 10609668), (3, 7073112), (4, 5304834), (6, 3536556), (8, 2652417), (9, 2357704), (12, 1768278), (18, 1178852), (24, 884139), (36, 589426), (72, 294713), (191, 111096), (382, 55548), (573, 37032), (764, 27774), (1146, 18516), (1528, 13887), (1543, 13752), (1719, 12344), (2292, 9258), (3086, 6876), (3438, 6172), (4584, 4629)]