21317492

素因数分解:

$2^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1297}}^1$

素因数の和:1895

約数の個数: 24

約数和(自身を含む): 42740544

約数和(自身を除く): 21423052

約数列:

[1, 2, 4, 7, 14, 28, 587, 1174, 1297, 2348, 2594, 4109, 5188, 8218, 9079, 16436, 18158, 36316, 761339, 1522678, 3045356, 5329373, 10658746, 21317492]

約数ペア:

[(1, 21317492), (2, 10658746), (4, 5329373), (7, 3045356), (14, 1522678), (28, 761339), (587, 36316), (1174, 18158), (1297, 16436), (2348, 9079), (2594, 8218), (4109, 5188)]