21087550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1713

約数の個数: 48

約数和(自身を含む): 44675712

約数和(自身を除く): 23588162

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1667, 2530, 3334, 6325, 8335, 12650, 16670, 18337, 36674, 38341, 41675, 76682, 83350, 91685, 183370, 191705, 383410, 421751, 458425, 843502, 916850, 958525, 1917050, 2108755, 4217510, 10543775, 21087550]

約数ペア:

[(1, 21087550), (2, 10543775), (5, 4217510), (10, 2108755), (11, 1917050), (22, 958525), (23, 916850), (25, 843502), (46, 458425), (50, 421751), (55, 383410), (110, 191705), (115, 183370), (230, 91685), (253, 83350), (275, 76682), (506, 41675), (550, 38341), (575, 36674), (1150, 18337), (1265, 16670), (1667, 12650), (2530, 8335), (3334, 6325)]