21665588

素因数分解:

$2^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1787}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 43455552

約数和(自身を除く): 21789964

約数列:

[1, 2, 4, 7, 14, 28, 433, 866, 1732, 1787, 3031, 3574, 6062, 7148, 12124, 12509, 25018, 50036, 773771, 1547542, 3095084, 5416397, 10832794, 21665588]

約数ペア:

[(1, 21665588), (2, 10832794), (4, 5416397), (7, 3095084), (14, 1547542), (28, 773771), (433, 50036), (866, 25018), (1732, 12509), (1787, 12124), (3031, 7148), (3574, 6062)]