21194200

素因数分解:

$2^3\times 5^2\times {\mathrm{105971}}^1$

素因数の和:105987

約数の個数: 24

約数和(自身を含む): 49276980

約数和(自身を除く): 28082780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105971, 211942, 423884, 529855, 847768, 1059710, 2119420, 2649275, 4238840, 5298550, 10597100, 21194200]

約数ペア:

[(1, 21194200), (2, 10597100), (4, 5298550), (5, 4238840), (8, 2649275), (10, 2119420), (20, 1059710), (25, 847768), (40, 529855), (50, 423884), (100, 211942), (200, 105971)]