21207078

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1051}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 49233600

約数和(自身を除く): 28026522

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 1051, 1062, 1121, 2102, 2242, 3153, 3363, 6306, 6726, 9459, 10089, 18918, 19969, 20178, 39938, 59907, 62009, 119814, 124018, 179721, 186027, 359442, 372054, 558081, 1116162, 1178171, 2356342, 3534513, 7069026, 10603539, 21207078]

約数ペア:

[(1, 21207078), (2, 10603539), (3, 7069026), (6, 3534513), (9, 2356342), (18, 1178171), (19, 1116162), (38, 558081), (57, 372054), (59, 359442), (114, 186027), (118, 179721), (171, 124018), (177, 119814), (342, 62009), (354, 59907), (531, 39938), (1051, 20178), (1062, 19969), (1121, 18918), (2102, 10089), (2242, 9459), (3153, 6726), (3363, 6306)]