21271290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709043}}^1$

素因数の和:709053

約数の個数: 16

約数和(自身を含む): 51051168

約数和(自身を除く): 29779878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709043, 1418086, 2127129, 3545215, 4254258, 7090430, 10635645, 21271290]

約数ペア:

[(1, 21271290), (2, 10635645), (3, 7090430), (5, 4254258), (6, 3545215), (10, 2127129), (15, 1418086), (30, 709043)]