21233300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 51038400

約数和(自身を除く): 29805100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 199, 220, 275, 388, 398, 485, 550, 796, 970, 995, 1067, 1100, 1940, 1990, 2134, 2189, 2425, 3980, 4268, 4378, 4850, 4975, 5335, 8756, 9700, 9950, 10670, 10945, 19303, 19900, 21340, 21890, 26675, 38606, 43780, 53350, 54725, 77212, 96515, 106700, 109450, 193030, 212333, 218900, 386060, 424666, 482575, 849332, 965150, 1061665, 1930300, 2123330, 4246660, 5308325, 10616650, 21233300]

約数ペア:

[(1, 21233300), (2, 10616650), (4, 5308325), (5, 4246660), (10, 2123330), (11, 1930300), (20, 1061665), (22, 965150), (25, 849332), (44, 482575), (50, 424666), (55, 386060), (97, 218900), (100, 212333), (110, 193030), (194, 109450), (199, 106700), (220, 96515), (275, 77212), (388, 54725), (398, 53350), (485, 43780), (550, 38606), (796, 26675), (970, 21890), (995, 21340), (1067, 19900), (1100, 19303), (1940, 10945), (1990, 10670), (2134, 9950), (2189, 9700), (2425, 8756), (3980, 5335), (4268, 4975), (4378, 4850)]