21641200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 60888960

約数和(自身を除く): 39247760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 59, 70, 80, 100, 112, 118, 131, 140, 175, 200, 236, 262, 280, 295, 350, 400, 413, 472, 524, 560, 590, 655, 700, 826, 917, 944, 1048, 1180, 1310, 1400, 1475, 1652, 1834, 2065, 2096, 2360, 2620, 2800, 2950, 3275, 3304, 3668, 4130, 4585, 4720, 5240, 5900, 6550, 6608, 7336, 7729, 8260, 9170, 10325, 10480, 11800, 13100, 14672, 15458, 16520, 18340, 20650, 22925, 23600, 26200, 30916, 33040, 36680, 38645, 41300, 45850, 52400, 54103, 61832, 73360, 77290, 82600, 91700, 108206, 123664, 154580, 165200, 183400, 193225, 216412, 270515, 309160, 366800, 386450, 432824, 541030, 618320, 772900, 865648, 1082060, 1352575, 1545800, 2164120, 2705150, 3091600, 4328240, 5410300, 10820600, 21641200]

約数ペア:

[(1, 21641200), (2, 10820600), (4, 5410300), (5, 4328240), (7, 3091600), (8, 2705150), (10, 2164120), (14, 1545800), (16, 1352575), (20, 1082060), (25, 865648), (28, 772900), (35, 618320), (40, 541030), (50, 432824), (56, 386450), (59, 366800), (70, 309160), (80, 270515), (100, 216412), (112, 193225), (118, 183400), (131, 165200), (140, 154580), (175, 123664), (200, 108206), (236, 91700), (262, 82600), (280, 77290), (295, 73360), (350, 61832), (400, 54103), (413, 52400), (472, 45850), (524, 41300), (560, 38645), (590, 36680), (655, 33040), (700, 30916), (826, 26200), (917, 23600), (944, 22925), (1048, 20650), (1180, 18340), (1310, 16520), (1400, 15458), (1475, 14672), (1652, 13100), (1834, 11800), (2065, 10480), (2096, 10325), (2360, 9170), (2620, 8260), (2800, 7729), (2950, 7336), (3275, 6608), (3304, 6550), (3668, 5900), (4130, 5240), (4585, 4720)]