21495572

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4597}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 43257984

約数和(自身を除く): 21762412

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4597, 4676, 9194, 18388, 32179, 64358, 128716, 767699, 1535398, 3070796, 5373893, 10747786, 21495572]

約数ペア:

[(1, 21495572), (2, 10747786), (4, 5373893), (7, 3070796), (14, 1535398), (28, 767699), (167, 128716), (334, 64358), (668, 32179), (1169, 18388), (2338, 9194), (4597, 4676)]