21408960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 112

約数和(自身を含む): 70408800

約数和(自身を除く): 48999840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 769, 870, 928, 960, 1160, 1392, 1538, 1740, 1856, 2307, 2320, 2784, 3076, 3480, 3845, 4614, 4640, 5568, 6152, 6960, 7690, 9228, 9280, 11535, 12304, 13920, 15380, 18456, 22301, 23070, 24608, 27840, 30760, 36912, 44602, 46140, 49216, 61520, 66903, 73824, 89204, 92280, 111505, 123040, 133806, 147648, 178408, 184560, 223010, 246080, 267612, 334515, 356816, 369120, 446020, 535224, 669030, 713632, 738240, 892040, 1070448, 1338060, 1427264, 1784080, 2140896, 2676120, 3568160, 4281792, 5352240, 7136320, 10704480, 21408960]

約数ペア:

[(1, 21408960), (2, 10704480), (3, 7136320), (4, 5352240), (5, 4281792), (6, 3568160), (8, 2676120), (10, 2140896), (12, 1784080), (15, 1427264), (16, 1338060), (20, 1070448), (24, 892040), (29, 738240), (30, 713632), (32, 669030), (40, 535224), (48, 446020), (58, 369120), (60, 356816), (64, 334515), (80, 267612), (87, 246080), (96, 223010), (116, 184560), (120, 178408), (145, 147648), (160, 133806), (174, 123040), (192, 111505), (232, 92280), (240, 89204), (290, 73824), (320, 66903), (348, 61520), (435, 49216), (464, 46140), (480, 44602), (580, 36912), (696, 30760), (769, 27840), (870, 24608), (928, 23070), (960, 22301), (1160, 18456), (1392, 15380), (1538, 13920), (1740, 12304), (1856, 11535), (2307, 9280), (2320, 9228), (2784, 7690), (3076, 6960), (3480, 6152), (3845, 5568), (4614, 4640)]