21775040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9721}}^1$

素因数の和:9745

約数の個数: 56

約数和(自身を含む): 59265312

約数和(自身を除く): 37490272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9721, 19442, 38884, 48605, 68047, 77768, 97210, 136094, 155536, 194420, 272188, 311072, 340235, 388840, 544376, 622144, 680470, 777680, 1088752, 1360940, 1555360, 2177504, 2721880, 3110720, 4355008, 5443760, 10887520, 21775040]

約数ペア:

[(1, 21775040), (2, 10887520), (4, 5443760), (5, 4355008), (7, 3110720), (8, 2721880), (10, 2177504), (14, 1555360), (16, 1360940), (20, 1088752), (28, 777680), (32, 680470), (35, 622144), (40, 544376), (56, 388840), (64, 340235), (70, 311072), (80, 272188), (112, 194420), (140, 155536), (160, 136094), (224, 97210), (280, 77768), (320, 68047), (448, 48605), (560, 38884), (1120, 19442), (2240, 9721)]