21282000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3547}}^1$

素因数の和:3573

約数の個数: 80

約数和(自身を含む): 68632512

約数和(自身を除く): 47350512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3547, 6000, 7094, 10641, 14188, 17735, 21282, 28376, 35470, 42564, 53205, 56752, 70940, 85128, 88675, 106410, 141880, 170256, 177350, 212820, 266025, 283760, 354700, 425640, 443375, 532050, 709400, 851280, 886750, 1064100, 1330125, 1418800, 1773500, 2128200, 2660250, 3547000, 4256400, 5320500, 7094000, 10641000, 21282000]

約数ペア:

[(1, 21282000), (2, 10641000), (3, 7094000), (4, 5320500), (5, 4256400), (6, 3547000), (8, 2660250), (10, 2128200), (12, 1773500), (15, 1418800), (16, 1330125), (20, 1064100), (24, 886750), (25, 851280), (30, 709400), (40, 532050), (48, 443375), (50, 425640), (60, 354700), (75, 283760), (80, 266025), (100, 212820), (120, 177350), (125, 170256), (150, 141880), (200, 106410), (240, 88675), (250, 85128), (300, 70940), (375, 56752), (400, 53205), (500, 42564), (600, 35470), (750, 28376), (1000, 21282), (1200, 17735), (1500, 14188), (2000, 10641), (3000, 7094), (3547, 6000)]