21702512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1013}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 45767904

約数和(自身を除く): 24065392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1013, 1339, 1648, 2026, 2678, 4052, 5356, 8104, 10712, 13169, 16208, 21424, 26338, 52676, 104339, 105352, 208678, 210704, 417356, 834712, 1356407, 1669424, 2712814, 5425628, 10851256, 21702512]

約数ペア:

[(1, 21702512), (2, 10851256), (4, 5425628), (8, 2712814), (13, 1669424), (16, 1356407), (26, 834712), (52, 417356), (103, 210704), (104, 208678), (206, 105352), (208, 104339), (412, 52676), (824, 26338), (1013, 21424), (1339, 16208), (1648, 13169), (2026, 10712), (2678, 8104), (4052, 5356)]