21096320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 61248960

約数和(自身を除く): 40152640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 277, 280, 320, 340, 448, 476, 544, 554, 560, 595, 640, 680, 896, 952, 1088, 1108, 1120, 1190, 1360, 1385, 1904, 1939, 2176, 2216, 2240, 2380, 2720, 2770, 3808, 3878, 4432, 4480, 4709, 4760, 5440, 5540, 7616, 7756, 8864, 9418, 9520, 9695, 10880, 11080, 15232, 15512, 17728, 18836, 19040, 19390, 22160, 23545, 31024, 32963, 35456, 37672, 38080, 38780, 44320, 47090, 62048, 65926, 75344, 76160, 77560, 88640, 94180, 124096, 131852, 150688, 155120, 164815, 177280, 188360, 248192, 263704, 301376, 310240, 329630, 376720, 527408, 602752, 620480, 659260, 753440, 1054816, 1240960, 1318520, 1506880, 2109632, 2637040, 3013760, 4219264, 5274080, 10548160, 21096320]

約数ペア:

[(1, 21096320), (2, 10548160), (4, 5274080), (5, 4219264), (7, 3013760), (8, 2637040), (10, 2109632), (14, 1506880), (16, 1318520), (17, 1240960), (20, 1054816), (28, 753440), (32, 659260), (34, 620480), (35, 602752), (40, 527408), (56, 376720), (64, 329630), (68, 310240), (70, 301376), (80, 263704), (85, 248192), (112, 188360), (119, 177280), (128, 164815), (136, 155120), (140, 150688), (160, 131852), (170, 124096), (224, 94180), (238, 88640), (272, 77560), (277, 76160), (280, 75344), (320, 65926), (340, 62048), (448, 47090), (476, 44320), (544, 38780), (554, 38080), (560, 37672), (595, 35456), (640, 32963), (680, 31024), (896, 23545), (952, 22160), (1088, 19390), (1108, 19040), (1120, 18836), (1190, 17728), (1360, 15512), (1385, 15232), (1904, 11080), (1939, 10880), (2176, 9695), (2216, 9520), (2240, 9418), (2380, 8864), (2720, 7756), (2770, 7616), (3808, 5540), (3878, 5440), (4432, 4760), (4480, 4709)]