21040572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{541}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 56333312

約数和(自身を除く): 35292740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 463, 541, 926, 1082, 1389, 1623, 1852, 2164, 2778, 3241, 3246, 3787, 5556, 6482, 6492, 7574, 9723, 11361, 12964, 15148, 19446, 22722, 38892, 45444, 250483, 500966, 751449, 1001932, 1502898, 1753381, 3005796, 3506762, 5260143, 7013524, 10520286, 21040572]

約数ペア:

[(1, 21040572), (2, 10520286), (3, 7013524), (4, 5260143), (6, 3506762), (7, 3005796), (12, 1753381), (14, 1502898), (21, 1001932), (28, 751449), (42, 500966), (84, 250483), (463, 45444), (541, 38892), (926, 22722), (1082, 19446), (1389, 15148), (1623, 12964), (1852, 11361), (2164, 9723), (2778, 7574), (3241, 6492), (3246, 6482), (3787, 5556)]