210238138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{22699}}^1$

素因数の和:23133

約数の個数: 16

約数和(自身を含む): 344858400

約数和(自身を除く): 134620262

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 22699, 45398, 249689, 499378, 9556279, 19112558, 105119069, 210238138]

約数ペア:

[(1, 210238138), (2, 105119069), (11, 19112558), (22, 9556279), (421, 499378), (842, 249689), (4631, 45398), (9262, 22699)]