21811682

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2909}}^1$

素因数の和:3097

約数の個数: 16

約数和(自身を含む): 34361280

約数和(自身を除く): 12549598

約数列:

[1, 2, 23, 46, 163, 326, 2909, 3749, 5818, 7498, 66907, 133814, 474167, 948334, 10905841, 21811682]

約数ペア:

[(1, 21811682), (2, 10905841), (23, 948334), (46, 474167), (163, 133814), (326, 66907), (2909, 7498), (3749, 5818)]