21396618

素因数分解:

$2^1\times 3^2\times {\mathrm{293}}^1\times {\mathrm{4057}}^1$

素因数の和:4358

約数の個数: 24

約数和(自身を含む): 46529028

約数和(自身を除く): 25132410

約数列:

[1, 2, 3, 6, 9, 18, 293, 586, 879, 1758, 2637, 4057, 5274, 8114, 12171, 24342, 36513, 73026, 1188701, 2377402, 3566103, 7132206, 10698309, 21396618]

約数ペア:

[(1, 21396618), (2, 10698309), (3, 7132206), (6, 3566103), (9, 2377402), (18, 1188701), (293, 73026), (586, 36513), (879, 24342), (1758, 12171), (2637, 8114), (4057, 5274)]