21332690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73561}}^1$

素因数の和:73597

約数の個数: 16

約数和(自身を含む): 39723480

約数和(自身を除く): 18390790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73561, 147122, 367805, 735610, 2133269, 4266538, 10666345, 21332690]

約数ペア:

[(1, 21332690), (2, 10666345), (5, 4266538), (10, 2133269), (29, 735610), (58, 367805), (145, 147122), (290, 73561)]