21713690

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1669}}^1$

素因数の和:2977

約数の個数: 16

約数和(自身を含む): 39138120

約数和(自身を除く): 17424430

約数列:

[1, 2, 5, 10, 1301, 1669, 2602, 3338, 6505, 8345, 13010, 16690, 2171369, 4342738, 10856845, 21713690]

約数ペア:

[(1, 21713690), (2, 10856845), (5, 4342738), (10, 2171369), (1301, 16690), (1669, 13010), (2602, 8345), (3338, 6505)]