21462749

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12119}}^1$

素因数の和:12160

約数の個数: 16

約数和(自身を含む): 27924480

約数和(自身を除く): 6461731

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12119, 84833, 133309, 278737, 933163, 1951159, 3066107, 21462749]

約数ペア:

[(1, 21462749), (7, 3066107), (11, 1951159), (23, 933163), (77, 278737), (161, 133309), (253, 84833), (1771, 12119)]