21553434

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3491}}^1$

素因数の和:3520

約数の個数: 48

約数和(自身を含む): 54475200

約数和(自身を除く): 32921766

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, 3491, 6174, 6982, 10473, 20946, 24437, 31419, 48874, 62838, 73311, 146622, 171059, 219933, 342118, 439866, 513177, 1026354, 1197413, 1539531, 2394826, 3079062, 3592239, 7184478, 10776717, 21553434]

約数ペア:

[(1, 21553434), (2, 10776717), (3, 7184478), (6, 3592239), (7, 3079062), (9, 2394826), (14, 1539531), (18, 1197413), (21, 1026354), (42, 513177), (49, 439866), (63, 342118), (98, 219933), (126, 171059), (147, 146622), (294, 73311), (343, 62838), (441, 48874), (686, 31419), (882, 24437), (1029, 20946), (2058, 10473), (3087, 6982), (3491, 6174)]