21896960

素因数分解:

$2^8\times 5^1\times {\mathrm{17107}}^1$

素因数の和:17128

約数の個数: 36

約数和(自身を含む): 52453128

約数和(自身を除く): 30556168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 17107, 34214, 68428, 85535, 136856, 171070, 273712, 342140, 547424, 684280, 1094848, 1368560, 2189696, 2737120, 4379392, 5474240, 10948480, 21896960]

約数ペア:

[(1, 21896960), (2, 10948480), (4, 5474240), (5, 4379392), (8, 2737120), (10, 2189696), (16, 1368560), (20, 1094848), (32, 684280), (40, 547424), (64, 342140), (80, 273712), (128, 171070), (160, 136856), (256, 85535), (320, 68428), (640, 34214), (1280, 17107)]