21676900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 54371520

約数和(自身を除く): 32694620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 173, 175, 179, 346, 350, 358, 692, 700, 716, 865, 895, 1211, 1253, 1730, 1790, 2422, 2506, 3460, 3580, 4325, 4475, 4844, 5012, 6055, 6265, 8650, 8950, 12110, 12530, 17300, 17900, 24220, 25060, 30275, 30967, 31325, 60550, 61934, 62650, 121100, 123868, 125300, 154835, 216769, 309670, 433538, 619340, 774175, 867076, 1083845, 1548350, 2167690, 3096700, 4335380, 5419225, 10838450, 21676900]

約数ペア:

[(1, 21676900), (2, 10838450), (4, 5419225), (5, 4335380), (7, 3096700), (10, 2167690), (14, 1548350), (20, 1083845), (25, 867076), (28, 774175), (35, 619340), (50, 433538), (70, 309670), (100, 216769), (140, 154835), (173, 125300), (175, 123868), (179, 121100), (346, 62650), (350, 61934), (358, 60550), (692, 31325), (700, 30967), (716, 30275), (865, 25060), (895, 24220), (1211, 17900), (1253, 17300), (1730, 12530), (1790, 12110), (2422, 8950), (2506, 8650), (3460, 6265), (3580, 6055), (4325, 5012), (4475, 4844)]