21404052

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1301}}^1$

素因数の和:1768

約数の個数: 36

約数和(自身を含む): 54264756

約数和(自身を除く): 32860704

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1301, 1371, 1828, 2602, 2742, 3903, 4113, 5204, 5484, 7806, 8226, 11709, 15612, 16452, 23418, 46836, 594557, 1189114, 1783671, 2378228, 3567342, 5351013, 7134684, 10702026, 21404052]

約数ペア:

[(1, 21404052), (2, 10702026), (3, 7134684), (4, 5351013), (6, 3567342), (9, 2378228), (12, 1783671), (18, 1189114), (36, 594557), (457, 46836), (914, 23418), (1301, 16452), (1371, 15612), (1828, 11709), (2602, 8226), (2742, 7806), (3903, 5484), (4113, 5204)]