21182040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1783}}^1$

素因数の和:1814

約数の個数: 128

約数和(自身を含む): 77068800

約数和(自身を除く): 55886760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1783, 1980, 2376, 2970, 3566, 3960, 5349, 5940, 7132, 8915, 10698, 11880, 14264, 16047, 17830, 19613, 21396, 26745, 32094, 35660, 39226, 42792, 48141, 53490, 58839, 64188, 71320, 78452, 80235, 96282, 98065, 106980, 117678, 128376, 156904, 160470, 176517, 192564, 196130, 213960, 235356, 240705, 294195, 320940, 353034, 385128, 392260, 470712, 481410, 529551, 588390, 641880, 706068, 784520, 882585, 962820, 1059102, 1176780, 1412136, 1765170, 1925640, 2118204, 2353560, 2647755, 3530340, 4236408, 5295510, 7060680, 10591020, 21182040]

約数ペア:

[(1, 21182040), (2, 10591020), (3, 7060680), (4, 5295510), (5, 4236408), (6, 3530340), (8, 2647755), (9, 2353560), (10, 2118204), (11, 1925640), (12, 1765170), (15, 1412136), (18, 1176780), (20, 1059102), (22, 962820), (24, 882585), (27, 784520), (30, 706068), (33, 641880), (36, 588390), (40, 529551), (44, 481410), (45, 470712), (54, 392260), (55, 385128), (60, 353034), (66, 320940), (72, 294195), (88, 240705), (90, 235356), (99, 213960), (108, 196130), (110, 192564), (120, 176517), (132, 160470), (135, 156904), (165, 128376), (180, 117678), (198, 106980), (216, 98065), (220, 96282), (264, 80235), (270, 78452), (297, 71320), (330, 64188), (360, 58839), (396, 53490), (440, 48141), (495, 42792), (540, 39226), (594, 35660), (660, 32094), (792, 26745), (990, 21396), (1080, 19613), (1188, 17830), (1320, 16047), (1485, 14264), (1783, 11880), (1980, 10698), (2376, 8915), (2970, 7132), (3566, 5940), (3960, 5349)]