21618086

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 39624960

約数和(自身を除く): 18006874

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1213, 1273, 2426, 2546, 8491, 8911, 16982, 17822, 23047, 46094, 81271, 161329, 162542, 322658, 568897, 1137794, 1544149, 3088298, 10809043, 21618086]

約数ペア:

[(1, 21618086), (2, 10809043), (7, 3088298), (14, 1544149), (19, 1137794), (38, 568897), (67, 322658), (133, 162542), (134, 161329), (266, 81271), (469, 46094), (938, 23047), (1213, 17822), (1273, 16982), (2426, 8911), (2546, 8491)]