21928620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 70963200

約数和(自身を除く): 49034580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 479, 545, 654, 763, 958, 1090, 1308, 1437, 1526, 1635, 1916, 2180, 2289, 2395, 2874, 3052, 3270, 3353, 3815, 4578, 4790, 5748, 6540, 6706, 7185, 7630, 9156, 9580, 10059, 11445, 13412, 14370, 15260, 16765, 20118, 22890, 28740, 33530, 40236, 45780, 50295, 52211, 67060, 100590, 104422, 156633, 201180, 208844, 261055, 313266, 365477, 522110, 626532, 730954, 783165, 1044220, 1096431, 1461908, 1566330, 1827385, 2192862, 3132660, 3654770, 4385724, 5482155, 7309540, 10964310, 21928620]

約数ペア:

[(1, 21928620), (2, 10964310), (3, 7309540), (4, 5482155), (5, 4385724), (6, 3654770), (7, 3132660), (10, 2192862), (12, 1827385), (14, 1566330), (15, 1461908), (20, 1096431), (21, 1044220), (28, 783165), (30, 730954), (35, 626532), (42, 522110), (60, 365477), (70, 313266), (84, 261055), (105, 208844), (109, 201180), (140, 156633), (210, 104422), (218, 100590), (327, 67060), (420, 52211), (436, 50295), (479, 45780), (545, 40236), (654, 33530), (763, 28740), (958, 22890), (1090, 20118), (1308, 16765), (1437, 15260), (1526, 14370), (1635, 13412), (1916, 11445), (2180, 10059), (2289, 9580), (2395, 9156), (2874, 7630), (3052, 7185), (3270, 6706), (3353, 6540), (3815, 5748), (4578, 4790)]