21279300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10133}}^1$

素因数の和:10157

約数の個数: 72

約数和(自身を含む): 70370496

約数和(自身を除く): 49091196

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, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10133, 20266, 30399, 40532, 50665, 60798, 70931, 101330, 121596, 141862, 151995, 202660, 212793, 253325, 283724, 303990, 354655, 425586, 506650, 607980, 709310, 759975, 851172, 1013300, 1063965, 1418620, 1519950, 1773275, 2127930, 3039900, 3546550, 4255860, 5319825, 7093100, 10639650, 21279300]

約数ペア:

[(1, 21279300), (2, 10639650), (3, 7093100), (4, 5319825), (5, 4255860), (6, 3546550), (7, 3039900), (10, 2127930), (12, 1773275), (14, 1519950), (15, 1418620), (20, 1063965), (21, 1013300), (25, 851172), (28, 759975), (30, 709310), (35, 607980), (42, 506650), (50, 425586), (60, 354655), (70, 303990), (75, 283724), (84, 253325), (100, 212793), (105, 202660), (140, 151995), (150, 141862), (175, 121596), (210, 101330), (300, 70931), (350, 60798), (420, 50665), (525, 40532), (700, 30399), (1050, 20266), (2100, 10133)]