21543564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256471}}^1$

素因数の和:256485

約数の個数: 24

約数和(自身を含む): 57449728

約数和(自身を除く): 35906164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256471, 512942, 769413, 1025884, 1538826, 1795297, 3077652, 3590594, 5385891, 7181188, 10771782, 21543564]

約数ペア:

[(1, 21543564), (2, 10771782), (3, 7181188), (4, 5385891), (6, 3590594), (7, 3077652), (12, 1795297), (14, 1538826), (21, 1025884), (28, 769413), (42, 512942), (84, 256471)]