21438274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74959}}^1$

素因数の和:74985

約数の個数: 16

約数和(自身を含む): 37779840

約数和(自身を除く): 16341566

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74959, 149918, 824549, 974467, 1649098, 1948934, 10719137, 21438274]

約数ペア:

[(1, 21438274), (2, 10719137), (11, 1948934), (13, 1649098), (22, 974467), (26, 824549), (143, 149918), (286, 74959)]