21300168

素因数分解:

$2^3\times 3^1\times {\mathrm{349}}^1\times {\mathrm{2543}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 53424000

約数和(自身を除く): 32123832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 349, 698, 1047, 1396, 2094, 2543, 2792, 4188, 5086, 7629, 8376, 10172, 15258, 20344, 30516, 61032, 887507, 1775014, 2662521, 3550028, 5325042, 7100056, 10650084, 21300168]

約数ペア:

[(1, 21300168), (2, 10650084), (3, 7100056), (4, 5325042), (6, 3550028), (8, 2662521), (12, 1775014), (24, 887507), (349, 61032), (698, 30516), (1047, 20344), (1396, 15258), (2094, 10172), (2543, 8376), (2792, 7629), (4188, 5086)]