21284906

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1777}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 32836104

約数和(自身を除く): 11551198

約数列:

[1, 2, 53, 106, 113, 226, 1777, 3554, 5989, 11978, 94181, 188362, 200801, 401602, 10642453, 21284906]

約数ペア:

[(1, 21284906), (2, 10642453), (53, 401602), (106, 200801), (113, 188362), (226, 94181), (1777, 11978), (3554, 5989)]