21244938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 50318688

約数和(自身を除く): 29073750

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2251, 3146, 4502, 4719, 6753, 9438, 13506, 24761, 29263, 49522, 58526, 74283, 87789, 148566, 175578, 272371, 321893, 544742, 643786, 817113, 965679, 1634226, 1931358, 3540823, 7081646, 10622469, 21244938]

約数ペア:

[(1, 21244938), (2, 10622469), (3, 7081646), (6, 3540823), (11, 1931358), (13, 1634226), (22, 965679), (26, 817113), (33, 643786), (39, 544742), (66, 321893), (78, 272371), (121, 175578), (143, 148566), (242, 87789), (286, 74283), (363, 58526), (429, 49522), (726, 29263), (858, 24761), (1573, 13506), (2251, 9438), (3146, 6753), (4502, 4719)]