21409800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2099}}^1$

素因数の和:2135

約数の個数: 96

約数和(自身を含む): 70308000

約数和(自身を除く): 48898200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 2040, 2099, 2550, 3400, 4198, 5100, 6297, 8396, 10200, 10495, 12594, 16792, 20990, 25188, 31485, 35683, 41980, 50376, 52475, 62970, 71366, 83960, 104950, 107049, 125940, 142732, 157425, 178415, 209900, 214098, 251880, 285464, 314850, 356830, 419800, 428196, 535245, 629700, 713660, 856392, 892075, 1070490, 1259400, 1427320, 1784150, 2140980, 2676225, 3568300, 4281960, 5352450, 7136600, 10704900, 21409800]

約数ペア:

[(1, 21409800), (2, 10704900), (3, 7136600), (4, 5352450), (5, 4281960), (6, 3568300), (8, 2676225), (10, 2140980), (12, 1784150), (15, 1427320), (17, 1259400), (20, 1070490), (24, 892075), (25, 856392), (30, 713660), (34, 629700), (40, 535245), (50, 428196), (51, 419800), (60, 356830), (68, 314850), (75, 285464), (85, 251880), (100, 214098), (102, 209900), (120, 178415), (136, 157425), (150, 142732), (170, 125940), (200, 107049), (204, 104950), (255, 83960), (300, 71366), (340, 62970), (408, 52475), (425, 50376), (510, 41980), (600, 35683), (680, 31485), (850, 25188), (1020, 20990), (1275, 16792), (1700, 12594), (2040, 10495), (2099, 10200), (2550, 8396), (3400, 6297), (4198, 5100)]