21270744

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 63685440

約数和(自身を除く): 42414696

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 107, 132, 198, 214, 251, 264, 321, 396, 428, 502, 642, 753, 792, 856, 963, 1004, 1177, 1284, 1506, 1926, 2008, 2259, 2354, 2568, 2761, 3012, 3531, 3852, 4518, 4708, 5522, 6024, 7062, 7704, 8283, 9036, 9416, 10593, 11044, 14124, 16566, 18072, 21186, 22088, 24849, 26857, 28248, 33132, 42372, 49698, 53714, 66264, 80571, 84744, 99396, 107428, 161142, 198792, 214856, 241713, 295427, 322284, 483426, 590854, 644568, 886281, 966852, 1181708, 1772562, 1933704, 2363416, 2658843, 3545124, 5317686, 7090248, 10635372, 21270744]

約数ペア:

[(1, 21270744), (2, 10635372), (3, 7090248), (4, 5317686), (6, 3545124), (8, 2658843), (9, 2363416), (11, 1933704), (12, 1772562), (18, 1181708), (22, 966852), (24, 886281), (33, 644568), (36, 590854), (44, 483426), (66, 322284), (72, 295427), (88, 241713), (99, 214856), (107, 198792), (132, 161142), (198, 107428), (214, 99396), (251, 84744), (264, 80571), (321, 66264), (396, 53714), (428, 49698), (502, 42372), (642, 33132), (753, 28248), (792, 26857), (856, 24849), (963, 22088), (1004, 21186), (1177, 18072), (1284, 16566), (1506, 14124), (1926, 11044), (2008, 10593), (2259, 9416), (2354, 9036), (2568, 8283), (2761, 7704), (3012, 7062), (3531, 6024), (3852, 5522), (4518, 4708)]