21000656166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1\times {\mathrm{4201}}^1$

素因数の和:7157

約数の個数: 64

約数和(自身を含む): 49200915456

約数和(自身を除く): 28200259290

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 2903, 4201, 5806, 8402, 8709, 12603, 17418, 20321, 25206, 29407, 40642, 58814, 60963, 88221, 119023, 121926, 172241, 176442, 238046, 344482, 357069, 516723, 714138, 833161, 1033446, 1205687, 1666322, 2411374, 2499483, 3617061, 4998966, 7234122, 12195503, 24391006, 36586509, 73173018, 85368521, 170737042, 256105563, 500015623, 512211126, 1000031246, 1500046869, 3000093738, 3500109361, 7000218722, 10500328083, 21000656166]

約数ペア:

[(1, 21000656166), (2, 10500328083), (3, 7000218722), (6, 3500109361), (7, 3000093738), (14, 1500046869), (21, 1000031246), (41, 512211126), (42, 500015623), (82, 256105563), (123, 170737042), (246, 85368521), (287, 73173018), (574, 36586509), (861, 24391006), (1722, 12195503), (2903, 7234122), (4201, 4998966), (5806, 3617061), (8402, 2499483), (8709, 2411374), (12603, 1666322), (17418, 1205687), (20321, 1033446), (25206, 833161), (29407, 714138), (40642, 516723), (58814, 357069), (60963, 344482), (88221, 238046), (119023, 176442), (121926, 172241)]