21664440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8597}}^1$

素因数の和:8621

約数の個数: 96

約数和(自身を含む): 80477280

約数和(自身を除く): 58812840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8597, 17194, 25791, 34388, 42985, 51582, 60179, 68776, 77373, 85970, 103164, 120358, 128955, 154746, 171940, 180537, 206328, 240716, 257910, 300895, 309492, 343880, 361074, 386865, 481432, 515820, 541611, 601790, 618984, 722148, 773730, 902685, 1031640, 1083222, 1203580, 1444296, 1547460, 1805370, 2166444, 2407160, 2708055, 3094920, 3610740, 4332888, 5416110, 7221480, 10832220, 21664440]

約数ペア:

[(1, 21664440), (2, 10832220), (3, 7221480), (4, 5416110), (5, 4332888), (6, 3610740), (7, 3094920), (8, 2708055), (9, 2407160), (10, 2166444), (12, 1805370), (14, 1547460), (15, 1444296), (18, 1203580), (20, 1083222), (21, 1031640), (24, 902685), (28, 773730), (30, 722148), (35, 618984), (36, 601790), (40, 541611), (42, 515820), (45, 481432), (56, 386865), (60, 361074), (63, 343880), (70, 309492), (72, 300895), (84, 257910), (90, 240716), (105, 206328), (120, 180537), (126, 171940), (140, 154746), (168, 128955), (180, 120358), (210, 103164), (252, 85970), (280, 77373), (315, 68776), (360, 60179), (420, 51582), (504, 42985), (630, 34388), (840, 25791), (1260, 17194), (2520, 8597)]