21536564

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4297}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 43323840

約数和(自身を除く): 21787276

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4297, 5012, 8594, 17188, 30079, 60158, 120316, 769163, 1538326, 3076652, 5384141, 10768282, 21536564]

約数ペア:

[(1, 21536564), (2, 10768282), (4, 5384141), (7, 3076652), (14, 1538326), (28, 769163), (179, 120316), (358, 60158), (716, 30079), (1253, 17188), (2506, 8594), (4297, 5012)]