21625686

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1773

約数の個数: 48

約数和(自身を含む): 50684400

約数和(自身を除く): 29058714

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1709, 2109, 3418, 4218, 5127, 6327, 10254, 12654, 15381, 30762, 32471, 63233, 64942, 97413, 126466, 189699, 194826, 292239, 379398, 569097, 584478, 1138194, 1201427, 2402854, 3604281, 7208562, 10812843, 21625686]

約数ペア:

[(1, 21625686), (2, 10812843), (3, 7208562), (6, 3604281), (9, 2402854), (18, 1201427), (19, 1138194), (37, 584478), (38, 569097), (57, 379398), (74, 292239), (111, 194826), (114, 189699), (171, 126466), (222, 97413), (333, 64942), (342, 63233), (666, 32471), (703, 30762), (1406, 15381), (1709, 12654), (2109, 10254), (3418, 6327), (4218, 5127)]