21776760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 71351280

約数和(自身を除く): 49574520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 241, 251, 360, 482, 502, 723, 753, 964, 1004, 1205, 1255, 1446, 1506, 1928, 2008, 2169, 2259, 2410, 2510, 2892, 3012, 3615, 3765, 4338, 4518, 4820, 5020, 5784, 6024, 7230, 7530, 8676, 9036, 9640, 10040, 10845, 11295, 14460, 15060, 17352, 18072, 21690, 22590, 28920, 30120, 43380, 45180, 60491, 86760, 90360, 120982, 181473, 241964, 302455, 362946, 483928, 544419, 604910, 725892, 907365, 1088838, 1209820, 1451784, 1814730, 2177676, 2419640, 2722095, 3629460, 4355352, 5444190, 7258920, 10888380, 21776760]

約数ペア:

[(1, 21776760), (2, 10888380), (3, 7258920), (4, 5444190), (5, 4355352), (6, 3629460), (8, 2722095), (9, 2419640), (10, 2177676), (12, 1814730), (15, 1451784), (18, 1209820), (20, 1088838), (24, 907365), (30, 725892), (36, 604910), (40, 544419), (45, 483928), (60, 362946), (72, 302455), (90, 241964), (120, 181473), (180, 120982), (241, 90360), (251, 86760), (360, 60491), (482, 45180), (502, 43380), (723, 30120), (753, 28920), (964, 22590), (1004, 21690), (1205, 18072), (1255, 17352), (1446, 15060), (1506, 14460), (1928, 11295), (2008, 10845), (2169, 10040), (2259, 9640), (2410, 9036), (2510, 8676), (2892, 7530), (3012, 7230), (3615, 6024), (3765, 5784), (4338, 5020), (4518, 4820)]