21051918

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22067}}^1$

素因数の和:22128

約数の個数: 24

約数和(自身を含む): 46475208

約数和(自身を除く): 25423290

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22067, 44134, 66201, 132402, 198603, 397206, 1169551, 2339102, 3508653, 7017306, 10525959, 21051918]

約数ペア:

[(1, 21051918), (2, 10525959), (3, 7017306), (6, 3508653), (9, 2339102), (18, 1169551), (53, 397206), (106, 198603), (159, 132402), (318, 66201), (477, 44134), (954, 22067)]