21018382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136483}}^1$

素因数の和:136503

約数の個数: 16

約数和(自身を含む): 39307392

約数和(自身を除く): 18289010

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136483, 272966, 955381, 1501313, 1910762, 3002626, 10509191, 21018382]

約数ペア:

[(1, 21018382), (2, 10509191), (7, 3002626), (11, 1910762), (14, 1501313), (22, 955381), (77, 272966), (154, 136483)]