21144600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 75296520

約数和(自身を除く): 54151920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 680, 691, 765, 850, 900, 1020, 1224, 1275, 1382, 1530, 1700, 1800, 2040, 2073, 2550, 2764, 3060, 3400, 3455, 3825, 4146, 5100, 5528, 6120, 6219, 6910, 7650, 8292, 10200, 10365, 11747, 12438, 13820, 15300, 16584, 17275, 20730, 23494, 24876, 27640, 30600, 31095, 34550, 35241, 41460, 46988, 49752, 51825, 58735, 62190, 69100, 70482, 82920, 93976, 103650, 105723, 117470, 124380, 138200, 140964, 155475, 176205, 207300, 211446, 234940, 248760, 281928, 293675, 310950, 352410, 414600, 422892, 469880, 528615, 587350, 621900, 704820, 845784, 881025, 1057230, 1174700, 1243800, 1409640, 1762050, 2114460, 2349400, 2643075, 3524100, 4228920, 5286150, 7048200, 10572300, 21144600]

約数ペア:

[(1, 21144600), (2, 10572300), (3, 7048200), (4, 5286150), (5, 4228920), (6, 3524100), (8, 2643075), (9, 2349400), (10, 2114460), (12, 1762050), (15, 1409640), (17, 1243800), (18, 1174700), (20, 1057230), (24, 881025), (25, 845784), (30, 704820), (34, 621900), (36, 587350), (40, 528615), (45, 469880), (50, 422892), (51, 414600), (60, 352410), (68, 310950), (72, 293675), (75, 281928), (85, 248760), (90, 234940), (100, 211446), (102, 207300), (120, 176205), (136, 155475), (150, 140964), (153, 138200), (170, 124380), (180, 117470), (200, 105723), (204, 103650), (225, 93976), (255, 82920), (300, 70482), (306, 69100), (340, 62190), (360, 58735), (408, 51825), (425, 49752), (450, 46988), (510, 41460), (600, 35241), (612, 34550), (680, 31095), (691, 30600), (765, 27640), (850, 24876), (900, 23494), (1020, 20730), (1224, 17275), (1275, 16584), (1382, 15300), (1530, 13820), (1700, 12438), (1800, 11747), (2040, 10365), (2073, 10200), (2550, 8292), (2764, 7650), (3060, 6910), (3400, 6219), (3455, 6120), (3825, 5528), (4146, 5100)]