21594168

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 60372000

約数和(自身を除く): 38777832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 389, 514, 771, 778, 1028, 1167, 1542, 1556, 2056, 2313, 2334, 3084, 3112, 3501, 4626, 4668, 6168, 6939, 7002, 9252, 9336, 10503, 13878, 14004, 18504, 21006, 27756, 28008, 42012, 55512, 84024, 99973, 199946, 299919, 399892, 599838, 799784, 899757, 1199676, 1799514, 2399352, 2699271, 3599028, 5398542, 7198056, 10797084, 21594168]

約数ペア:

[(1, 21594168), (2, 10797084), (3, 7198056), (4, 5398542), (6, 3599028), (8, 2699271), (9, 2399352), (12, 1799514), (18, 1199676), (24, 899757), (27, 799784), (36, 599838), (54, 399892), (72, 299919), (108, 199946), (216, 99973), (257, 84024), (389, 55512), (514, 42012), (771, 28008), (778, 27756), (1028, 21006), (1167, 18504), (1542, 14004), (1556, 13878), (2056, 10503), (2313, 9336), (2334, 9252), (3084, 7002), (3112, 6939), (3501, 6168), (4626, 4668)]