21495968664

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{671917}}^1$

素因数の和:672000

約数の個数: 64

約数和(自身を含む): 56763632640

約数和(自身を除く): 35267663976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2666, 3999, 5332, 7998, 10664, 15996, 31992, 671917, 1343834, 2015751, 2687668, 4031502, 5375336, 8063004, 16126008, 20829427, 28892431, 41658854, 57784862, 62488281, 83317708, 86677293, 115569724, 124976562, 166635416, 173354586, 231139448, 249953124, 346709172, 499906248, 693418344, 895665361, 1791330722, 2686996083, 3582661444, 5373992166, 7165322888, 10747984332, 21495968664]

約数ペア:

[(1, 21495968664), (2, 10747984332), (3, 7165322888), (4, 5373992166), (6, 3582661444), (8, 2686996083), (12, 1791330722), (24, 895665361), (31, 693418344), (43, 499906248), (62, 346709172), (86, 249953124), (93, 231139448), (124, 173354586), (129, 166635416), (172, 124976562), (186, 115569724), (248, 86677293), (258, 83317708), (344, 62488281), (372, 57784862), (516, 41658854), (744, 28892431), (1032, 20829427), (1333, 16126008), (2666, 8063004), (3999, 5375336), (5332, 4031502), (7998, 2687668), (10664, 2015751), (15996, 1343834), (31992, 671917)]