21409500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{2039}}^1$

素因数の和:2068

約数の個数: 96

約数和(自身を含む): 71285760

約数和(自身を除く): 49876260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 2039, 2100, 2625, 3500, 4078, 5250, 6117, 8156, 10195, 10500, 12234, 14273, 20390, 24468, 28546, 30585, 40780, 42819, 50975, 57092, 61170, 71365, 85638, 101950, 122340, 142730, 152925, 171276, 203900, 214095, 254875, 285460, 305850, 356825, 428190, 509750, 611700, 713650, 764625, 856380, 1019500, 1070475, 1427300, 1529250, 1784125, 2140950, 3058500, 3568250, 4281900, 5352375, 7136500, 10704750, 21409500]

約数ペア:

[(1, 21409500), (2, 10704750), (3, 7136500), (4, 5352375), (5, 4281900), (6, 3568250), (7, 3058500), (10, 2140950), (12, 1784125), (14, 1529250), (15, 1427300), (20, 1070475), (21, 1019500), (25, 856380), (28, 764625), (30, 713650), (35, 611700), (42, 509750), (50, 428190), (60, 356825), (70, 305850), (75, 285460), (84, 254875), (100, 214095), (105, 203900), (125, 171276), (140, 152925), (150, 142730), (175, 122340), (210, 101950), (250, 85638), (300, 71365), (350, 61170), (375, 57092), (420, 50975), (500, 42819), (525, 40780), (700, 30585), (750, 28546), (875, 24468), (1050, 20390), (1500, 14273), (1750, 12234), (2039, 10500), (2100, 10195), (2625, 8156), (3500, 6117), (4078, 5250)]