21539868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11149}}^1$

素因数の和:11186

約数の個数: 48

約数和(自身を含む): 59942400

約数和(自身を除く): 38402532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11149, 22298, 33447, 44596, 66894, 78043, 133788, 156086, 234129, 256427, 312172, 468258, 512854, 769281, 936516, 1025708, 1538562, 1794989, 3077124, 3589978, 5384967, 7179956, 10769934, 21539868]

約数ペア:

[(1, 21539868), (2, 10769934), (3, 7179956), (4, 5384967), (6, 3589978), (7, 3077124), (12, 1794989), (14, 1538562), (21, 1025708), (23, 936516), (28, 769281), (42, 512854), (46, 468258), (69, 312172), (84, 256427), (92, 234129), (138, 156086), (161, 133788), (276, 78043), (322, 66894), (483, 44596), (644, 33447), (966, 22298), (1932, 11149)]