21009564

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4199

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 34632036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4139, 5076, 8278, 12417, 16556, 24834, 37251, 49668, 74502, 111753, 149004, 194533, 223506, 389066, 447012, 583599, 778132, 1167198, 1750797, 2334396, 3501594, 5252391, 7003188, 10504782, 21009564]

約数ペア:

[(1, 21009564), (2, 10504782), (3, 7003188), (4, 5252391), (6, 3501594), (9, 2334396), (12, 1750797), (18, 1167198), (27, 778132), (36, 583599), (47, 447012), (54, 389066), (94, 223506), (108, 194533), (141, 149004), (188, 111753), (282, 74502), (423, 49668), (564, 37251), (846, 24834), (1269, 16556), (1692, 12417), (2538, 8278), (4139, 5076)]