21180300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4153}}^1$

素因数の和:4187

約数の個数: 72

約数和(自身を含む): 64902096

約数和(自身を除く): 43721796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4153, 5100, 8306, 12459, 16612, 20765, 24918, 41530, 49836, 62295, 70601, 83060, 103825, 124590, 141202, 207650, 211803, 249180, 282404, 311475, 353005, 415300, 423606, 622950, 706010, 847212, 1059015, 1245900, 1412020, 1765025, 2118030, 3530050, 4236060, 5295075, 7060100, 10590150, 21180300]

約数ペア:

[(1, 21180300), (2, 10590150), (3, 7060100), (4, 5295075), (5, 4236060), (6, 3530050), (10, 2118030), (12, 1765025), (15, 1412020), (17, 1245900), (20, 1059015), (25, 847212), (30, 706010), (34, 622950), (50, 423606), (51, 415300), (60, 353005), (68, 311475), (75, 282404), (85, 249180), (100, 211803), (102, 207650), (150, 141202), (170, 124590), (204, 103825), (255, 83060), (300, 70601), (340, 62295), (425, 49836), (510, 41530), (850, 24918), (1020, 20765), (1275, 16612), (1700, 12459), (2550, 8306), (4153, 5100)]