21007878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152231}}^1$

素因数の和:152259

約数の個数: 16

約数和(自身を含む): 43842816

約数和(自身を除く): 22834938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152231, 304462, 456693, 913386, 3501313, 7002626, 10503939, 21007878]

約数ペア:

[(1, 21007878), (2, 10503939), (3, 7002626), (6, 3501313), (23, 913386), (46, 456693), (69, 304462), (138, 152231)]