21682278

素因数分解:

$2^1\times 3^2\times {\mathrm{167}}^1\times {\mathrm{7213}}^1$

素因数の和:7388

約数の個数: 24

約数和(自身を含む): 47266128

約数和(自身を除く): 25583850

約数列:

[1, 2, 3, 6, 9, 18, 167, 334, 501, 1002, 1503, 3006, 7213, 14426, 21639, 43278, 64917, 129834, 1204571, 2409142, 3613713, 7227426, 10841139, 21682278]

約数ペア:

[(1, 21682278), (2, 10841139), (3, 7227426), (6, 3613713), (9, 2409142), (18, 1204571), (167, 129834), (334, 64917), (501, 43278), (1002, 21639), (1503, 14426), (3006, 7213)]