21186200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 57957600

約数和(自身を除く): 36771400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 140, 148, 175, 185, 200, 259, 280, 296, 350, 370, 409, 518, 700, 740, 818, 925, 1036, 1295, 1400, 1480, 1636, 1850, 2045, 2072, 2590, 2863, 3272, 3700, 4090, 5180, 5726, 6475, 7400, 8180, 10225, 10360, 11452, 12950, 14315, 15133, 16360, 20450, 22904, 25900, 28630, 30266, 40900, 51800, 57260, 60532, 71575, 75665, 81800, 105931, 114520, 121064, 143150, 151330, 211862, 286300, 302660, 378325, 423724, 529655, 572600, 605320, 756650, 847448, 1059310, 1513300, 2118620, 2648275, 3026600, 4237240, 5296550, 10593100, 21186200]

約数ペア:

[(1, 21186200), (2, 10593100), (4, 5296550), (5, 4237240), (7, 3026600), (8, 2648275), (10, 2118620), (14, 1513300), (20, 1059310), (25, 847448), (28, 756650), (35, 605320), (37, 572600), (40, 529655), (50, 423724), (56, 378325), (70, 302660), (74, 286300), (100, 211862), (140, 151330), (148, 143150), (175, 121064), (185, 114520), (200, 105931), (259, 81800), (280, 75665), (296, 71575), (350, 60532), (370, 57260), (409, 51800), (518, 40900), (700, 30266), (740, 28630), (818, 25900), (925, 22904), (1036, 20450), (1295, 16360), (1400, 15133), (1480, 14315), (1636, 12950), (1850, 11452), (2045, 10360), (2072, 10225), (2590, 8180), (2863, 7400), (3272, 6475), (3700, 5726), (4090, 5180)]