21836600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 52027920

約数和(自身を除く): 30191320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2663, 4100, 5326, 8200, 10652, 13315, 21304, 26630, 53260, 66575, 106520, 109183, 133150, 218366, 266300, 436732, 532600, 545915, 873464, 1091830, 2183660, 2729575, 4367320, 5459150, 10918300, 21836600]

約数ペア:

[(1, 21836600), (2, 10918300), (4, 5459150), (5, 4367320), (8, 2729575), (10, 2183660), (20, 1091830), (25, 873464), (40, 545915), (41, 532600), (50, 436732), (82, 266300), (100, 218366), (164, 133150), (200, 109183), (205, 106520), (328, 66575), (410, 53260), (820, 26630), (1025, 21304), (1640, 13315), (2050, 10652), (2663, 8200), (4100, 5326)]