21294126

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3449}}^1$

素因数の和:3478

約数の個数: 48

約数和(自身を含む): 53820000

約数和(自身を除く): 32525874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3449, 6174, 6898, 10347, 20694, 24143, 31041, 48286, 62082, 72429, 144858, 169001, 217287, 338002, 434574, 507003, 1014006, 1183007, 1521009, 2366014, 3042018, 3549021, 7098042, 10647063, 21294126]

約数ペア:

[(1, 21294126), (2, 10647063), (3, 7098042), (6, 3549021), (7, 3042018), (9, 2366014), (14, 1521009), (18, 1183007), (21, 1014006), (42, 507003), (49, 434574), (63, 338002), (98, 217287), (126, 169001), (147, 144858), (294, 72429), (343, 62082), (441, 48286), (686, 31041), (882, 24143), (1029, 20694), (2058, 10347), (3087, 6898), (3449, 6174)]