21783174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7741}}^1$

素因数の和:7820

約数の個数: 32

約数和(自身を含む): 50539776

約数和(自身を除く): 28756602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7741, 15482, 23223, 46446, 54187, 108374, 162561, 325122, 518647, 1037294, 1555941, 3111882, 3630529, 7261058, 10891587, 21783174]

約数ペア:

[(1, 21783174), (2, 10891587), (3, 7261058), (6, 3630529), (7, 3111882), (14, 1555941), (21, 1037294), (42, 518647), (67, 325122), (134, 162561), (201, 108374), (402, 54187), (469, 46446), (938, 23223), (1407, 15482), (2814, 7741)]