21410128

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7393}}^1$

素因数の和:7582

約数の個数: 20

約数和(自身を含む): 41716948

約数和(自身を除く): 20306820

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7393, 14786, 29572, 59144, 118288, 1338133, 2676266, 5352532, 10705064, 21410128]

約数ペア:

[(1, 21410128), (2, 10705064), (4, 5352532), (8, 2676266), (16, 1338133), (181, 118288), (362, 59144), (724, 29572), (1448, 14786), (2896, 7393)]