21412804

素因数分解:

$2^2\times 7^3\times {\mathrm{15607}}^1$

素因数の和:15632

約数の個数: 24

約数和(自身を含む): 43702400

約数和(自身を除く): 22289596

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15607, 31214, 62428, 109249, 218498, 436996, 764743, 1529486, 3058972, 5353201, 10706402, 21412804]

約数ペア:

[(1, 21412804), (2, 10706402), (4, 5353201), (7, 3058972), (14, 1529486), (28, 764743), (49, 436996), (98, 218498), (196, 109249), (343, 62428), (686, 31214), (1372, 15607)]