21708432

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1669

約数の個数: 80

約数和(自身を含む): 64360960

約数和(自身を除く): 42652528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1621, 1674, 2232, 3242, 3348, 4464, 4863, 6484, 6696, 9726, 12968, 13392, 14589, 19452, 25936, 29178, 38904, 43767, 50251, 58356, 77808, 87534, 100502, 116712, 150753, 175068, 201004, 233424, 301506, 350136, 402008, 452259, 603012, 700272, 804016, 904518, 1206024, 1356777, 1809036, 2412048, 2713554, 3618072, 5427108, 7236144, 10854216, 21708432]

約数ペア:

[(1, 21708432), (2, 10854216), (3, 7236144), (4, 5427108), (6, 3618072), (8, 2713554), (9, 2412048), (12, 1809036), (16, 1356777), (18, 1206024), (24, 904518), (27, 804016), (31, 700272), (36, 603012), (48, 452259), (54, 402008), (62, 350136), (72, 301506), (93, 233424), (108, 201004), (124, 175068), (144, 150753), (186, 116712), (216, 100502), (248, 87534), (279, 77808), (372, 58356), (432, 50251), (496, 43767), (558, 38904), (744, 29178), (837, 25936), (1116, 19452), (1488, 14589), (1621, 13392), (1674, 12968), (2232, 9726), (3242, 6696), (3348, 6484), (4464, 4863)]