21186598088

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2755801}}^1$

素因数の和:2755869

約数の個数: 24

約数和(自身を含む): 41047670790

約数和(自身を除く): 19861072702

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 3844, 7688, 2755801, 5511602, 11023204, 22046408, 85429831, 170859662, 341719324, 683438648, 2648324761, 5296649522, 10593299044, 21186598088]

約数ペア:

[(1, 21186598088), (2, 10593299044), (4, 5296649522), (8, 2648324761), (31, 683438648), (62, 341719324), (124, 170859662), (248, 85429831), (961, 22046408), (1922, 11023204), (3844, 5511602), (7688, 2755801)]