21602560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2411}}^1$

素因数の和:2439

約数の個数: 72

約数和(自身を含む): 59161536

約数和(自身を除く): 37558976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2411, 4480, 4822, 8960, 9644, 12055, 16877, 19288, 24110, 33754, 38576, 48220, 67508, 77152, 84385, 96440, 135016, 154304, 168770, 192880, 270032, 308608, 337540, 385760, 540064, 617216, 675080, 771520, 1080128, 1350160, 1543040, 2160256, 2700320, 3086080, 4320512, 5400640, 10801280, 21602560]

約数ペア:

[(1, 21602560), (2, 10801280), (4, 5400640), (5, 4320512), (7, 3086080), (8, 2700320), (10, 2160256), (14, 1543040), (16, 1350160), (20, 1080128), (28, 771520), (32, 675080), (35, 617216), (40, 540064), (56, 385760), (64, 337540), (70, 308608), (80, 270032), (112, 192880), (128, 168770), (140, 154304), (160, 135016), (224, 96440), (256, 84385), (280, 77152), (320, 67508), (448, 48220), (560, 38576), (640, 33754), (896, 24110), (1120, 19288), (1280, 16877), (1792, 12055), (2240, 9644), (2411, 8960), (4480, 4822)]