21998697

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8803}}^1$

素因数の和:8837

約数の個数: 24

約数和(自身を含む): 36131616

約数和(自身を除く): 14132919

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8803, 26409, 61621, 149651, 184863, 431347, 448953, 1047557, 1294041, 3142671, 7332899, 21998697]

約数ペア:

[(1, 21998697), (3, 7332899), (7, 3142671), (17, 1294041), (21, 1047557), (49, 448953), (51, 431347), (119, 184863), (147, 149651), (357, 61621), (833, 26409), (2499, 8803)]