21061208

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9173}}^1$

素因数の和:9227

約数の個数: 32

約数和(自身を含む): 46236960

約数和(自身を除く): 25175752

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9173, 18346, 36692, 64211, 73384, 128422, 256844, 376093, 513688, 752186, 1504372, 2632651, 3008744, 5265302, 10530604, 21061208]

約数ペア:

[(1, 21061208), (2, 10530604), (4, 5265302), (7, 3008744), (8, 2632651), (14, 1504372), (28, 752186), (41, 513688), (56, 376093), (82, 256844), (164, 128422), (287, 73384), (328, 64211), (574, 36692), (1148, 18346), (2296, 9173)]