21742400

素因数分解:

$2^6\times 5^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 84

約数和(自身を含む): 54425088

約数和(自身を除く): 32682688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 127, 160, 200, 214, 254, 320, 400, 428, 508, 535, 635, 800, 856, 1016, 1070, 1270, 1600, 1712, 2032, 2140, 2540, 2675, 3175, 3424, 4064, 4280, 5080, 5350, 6350, 6848, 8128, 8560, 10160, 10700, 12700, 13589, 17120, 20320, 21400, 25400, 27178, 34240, 40640, 42800, 50800, 54356, 67945, 85600, 101600, 108712, 135890, 171200, 203200, 217424, 271780, 339725, 434848, 543560, 679450, 869696, 1087120, 1358900, 2174240, 2717800, 4348480, 5435600, 10871200, 21742400]

約数ペア:

[(1, 21742400), (2, 10871200), (4, 5435600), (5, 4348480), (8, 2717800), (10, 2174240), (16, 1358900), (20, 1087120), (25, 869696), (32, 679450), (40, 543560), (50, 434848), (64, 339725), (80, 271780), (100, 217424), (107, 203200), (127, 171200), (160, 135890), (200, 108712), (214, 101600), (254, 85600), (320, 67945), (400, 54356), (428, 50800), (508, 42800), (535, 40640), (635, 34240), (800, 27178), (856, 25400), (1016, 21400), (1070, 20320), (1270, 17120), (1600, 13589), (1712, 12700), (2032, 10700), (2140, 10160), (2540, 8560), (2675, 8128), (3175, 6848), (3424, 6350), (4064, 5350), (4280, 5080)]