21250600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 57942720

約数和(自身を除く): 36692120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 100, 140, 172, 175, 200, 215, 280, 301, 344, 350, 353, 430, 602, 700, 706, 860, 1075, 1204, 1400, 1412, 1505, 1720, 1765, 2150, 2408, 2471, 2824, 3010, 3530, 4300, 4942, 6020, 7060, 7525, 8600, 8825, 9884, 12040, 12355, 14120, 15050, 15179, 17650, 19768, 24710, 30100, 30358, 35300, 49420, 60200, 60716, 61775, 70600, 75895, 98840, 106253, 121432, 123550, 151790, 212506, 247100, 303580, 379475, 425012, 494200, 531265, 607160, 758950, 850024, 1062530, 1517900, 2125060, 2656325, 3035800, 4250120, 5312650, 10625300, 21250600]

約数ペア:

[(1, 21250600), (2, 10625300), (4, 5312650), (5, 4250120), (7, 3035800), (8, 2656325), (10, 2125060), (14, 1517900), (20, 1062530), (25, 850024), (28, 758950), (35, 607160), (40, 531265), (43, 494200), (50, 425012), (56, 379475), (70, 303580), (86, 247100), (100, 212506), (140, 151790), (172, 123550), (175, 121432), (200, 106253), (215, 98840), (280, 75895), (301, 70600), (344, 61775), (350, 60716), (353, 60200), (430, 49420), (602, 35300), (700, 30358), (706, 30100), (860, 24710), (1075, 19768), (1204, 17650), (1400, 15179), (1412, 15050), (1505, 14120), (1720, 12355), (1765, 12040), (2150, 9884), (2408, 8825), (2471, 8600), (2824, 7525), (3010, 7060), (3530, 6020), (4300, 4942)]