21320222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 18838498

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 167, 334, 829, 1169, 1658, 1837, 2338, 3674, 5803, 9119, 11606, 12859, 18238, 25718, 63833, 127666, 138443, 276886, 969101, 1522873, 1938202, 3045746, 10660111, 21320222]

約数ペア:

[(1, 21320222), (2, 10660111), (7, 3045746), (11, 1938202), (14, 1522873), (22, 969101), (77, 276886), (154, 138443), (167, 127666), (334, 63833), (829, 25718), (1169, 18238), (1658, 12859), (1837, 11606), (2338, 9119), (3674, 5803)]